3D Printing restrictions and bans - Revision history

Marc84: /* References */ Add archive link.

2026-06-19T17:14:28Z

References: Add archive link.

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	<ref name="prusaslicer-lic">{{Cite web \|title=PrusaSlicer LICENSE file \|url=https://github.com/prusa3d/PrusaSlicer/blob/master/LICENSE \|url-status=live \|archive-url=https://web.archive.org/web/20260520083703/https://github.com/prusa3d/PrusaSlicer/blob/master/LICENSE \|archive-date=2026-05-20 \|access-date=2026-06-02 \|publisher=Prusa Research (GitHub)}} Identifies PrusaSlicer as licensed under the GNU Affero General Public License v3.0.</ref>		<ref name="prusaslicer-lic">{{Cite web \|title=PrusaSlicer LICENSE file \|url=https://github.com/prusa3d/PrusaSlicer/blob/master/LICENSE \|url-status=live \|archive-url=https://web.archive.org/web/20260520083703/https://github.com/prusa3d/PrusaSlicer/blob/master/LICENSE \|archive-date=2026-05-20 \|access-date=2026-06-02 \|publisher=Prusa Research (GitHub)}} Identifies PrusaSlicer as licensed under the GNU Affero General Public License v3.0.</ref>
	<ref name="bambustudio-lic">{{Cite web \|title=BambuStudio LICENSE file \|url=https://github.com/bambulab/BambuStudio/blob/master/LICENSE \|url-status=live \|archive-url=https://web.archive.org/web/20251202095911/https://github.com/bambulab/BambuStudio/blob/master/LICENSE \|archive-date=2025-12-02 \|access-date=2026-06-02 \|publisher=Bambu Lab (GitHub)}} Identifies bambulab/BambuStudio as licensed under the GNU Affero General Public License v3.0.</ref>		<ref name="bambustudio-lic">{{Cite web \|title=BambuStudio LICENSE file \|url=https://github.com/bambulab/BambuStudio/blob/master/LICENSE \|url-status=live \|archive-url=https://web.archive.org/web/20251202095911/https://github.com/bambulab/BambuStudio/blob/master/LICENSE \|archive-date=2025-12-02 \|access-date=2026-06-02 \|publisher=Bambu Lab (GitHub)}} Identifies bambulab/BambuStudio as licensed under the GNU Affero General Public License v3.0.</ref>
	<ref name="marlin-lic">{{Cite web \|url=https://github.com/MarlinFirmware/Marlin/blob/2.1.x/LICENSE \|~~title~~=Marlin LICENSE ~~file~~ \|~~publisher~~=~~MarlinFirmware (GitHub)~~ \|access-date=2026-06-02}} Reproduces the GNU General Public License Version 3.</ref>		<ref name="marlin-lic">{{Cite web \|title=Marlin LICENSE file \|url=https://github.com/MarlinFirmware/Marlin/blob/2.1.x/LICENSE \|url-status=live \|archive-url=https://web.archive.org/web/20260619170859/https://github.com/MarlinFirmware/Marlin/blob/2.1.x/LICENSE \|archive-date=2026-06-19 \|access-date=2026-06-02 \|publisher=MarlinFirmware (GitHub)}} Reproduces the GNU General Public License Version 3.</ref>
	<ref name="klipper-lic">{{Cite web \|title=Klipper COPYING file \|url=https://github.com/Klipper3d/klipper/blob/master/COPYING \|url-status=live \|archive-url=https://web.archive.org/web/20260424183410/https://github.com/Klipper3d/klipper/blob/master/COPYING \|archive-date=2026-04-24 \|access-date=2026-06-02 \|publisher=Klipper3d (GitHub)}} Reproduces the GNU General Public License Version 3.</ref>		<ref name="klipper-lic">{{Cite web \|title=Klipper COPYING file \|url=https://github.com/Klipper3d/klipper/blob/master/COPYING \|url-status=live \|archive-url=https://web.archive.org/web/20260424183410/https://github.com/Klipper3d/klipper/blob/master/COPYING \|archive-date=2026-04-24 \|access-date=2026-06-02 \|publisher=Klipper3d (GitHub)}} Reproduces the GNU General Public License Version 3.</ref>
	<ref name="hackaday-marlin">{{Cite web \|author=Tom Nardi \|date=2018-08-27 \|title=GPL Violations Cost Creality A US Distributor \|url=https://hackaday.com/2018/08/27/gpl-violations-cost-creality-a-us-distributor/ \|url-status=live \|archive-url=https://web.archive.org/web/20260526020512/https://hackaday.com/2018/08/27/gpl-violations-cost-creality-a-us-distributor/ \|archive-date=2026-05-26 \|access-date=2026-06-02 \|publisher=Hackaday}} Reports that US distributor Printed Solid stopped selling Creality printers over unreleased Marlin (GPLv3) corresponding source on the CR-10 line.</ref>		<ref name="hackaday-marlin">{{Cite web \|author=Tom Nardi \|date=2018-08-27 \|title=GPL Violations Cost Creality A US Distributor \|url=https://hackaday.com/2018/08/27/gpl-violations-cost-creality-a-us-distributor/ \|url-status=live \|archive-url=https://web.archive.org/web/20260526020512/https://hackaday.com/2018/08/27/gpl-violations-cost-creality-a-us-distributor/ \|archive-date=2026-05-26 \|access-date=2026-06-02 \|publisher=Hackaday}} Reports that US distributor Printed Solid stopped selling Creality printers over unreleased Marlin (GPLv3) corresponding source on the CR-10 line.</ref>

Marc84: /* Consumer rights and ownership concerns */ Edit formatting of quote.

2026-06-17T00:48:30Z

Consumer rights and ownership concerns: Edit formatting of quote.

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	A third concern is copyleft compliance. The slicer and firmware that drive most consumer printers are open-source projects under copyleft licenses. PrusaSlicer and Bambu Studio are released under the GNU Affero General Public License version 3 (AGPLv3), and the firmware projects Marlin and Klipper are released under the GNU General Public License version 3 (GPLv3).<ref name="prusaslicer-lic" /><ref name="bambustudio-lic" /><ref name="marlin-lic" /><ref name="klipper-lic" /> GPLv3 Section 6 requires a distributor of a consumer product to provide the ''"Installation Information"'' needed to install and run a modified version of the covered software on that product, and AGPLv3 Section 13 requires that users interacting with modified software over a network be offered its source.<ref name="gpl3" /><ref name="agpl3" /> Those source-disclosure obligations have been enforced against printer makers: in August 2018 the US distributor Printed Solid stopped selling Creality machines over an unreleased Marlin source violation, and on May 18, 2026 the Software Freedom Conservancy alleged that Bambu Lab violated AGPLv3 by combining Bambu Studio with a proprietary library.<ref name="hackaday-marlin" /><ref name="sfc-bambu" /> A separate dispute over compiled binary modules on Creality's K1 and K2 printers is documented in the [[Creality K2 series GPLv3 violation]] article.		A third concern is copyleft compliance. The slicer and firmware that drive most consumer printers are open-source projects under copyleft licenses. PrusaSlicer and Bambu Studio are released under the GNU Affero General Public License version 3 (AGPLv3), and the firmware projects Marlin and Klipper are released under the GNU General Public License version 3 (GPLv3).<ref name="prusaslicer-lic" /><ref name="bambustudio-lic" /><ref name="marlin-lic" /><ref name="klipper-lic" /> GPLv3 Section 6 requires a distributor of a consumer product to provide the ''"Installation Information"'' needed to install and run a modified version of the covered software on that product, and AGPLv3 Section 13 requires that users interacting with modified software over a network be offered its source.<ref name="gpl3" /><ref name="agpl3" /> Those source-disclosure obligations have been enforced against printer makers: in August 2018 the US distributor Printed Solid stopped selling Creality machines over an unreleased Marlin source violation, and on May 18, 2026 the Software Freedom Conservancy alleged that Bambu Lab violated AGPLv3 by combining Bambu Studio with a proprietary library.<ref name="hackaday-marlin" /><ref name="sfc-bambu" /> A separate dispute over compiled binary modules on Creality's K1 and K2 printers is documented in the [[Creality K2 series GPLv3 violation]] article.

	Another concern is tracking and loss of privacy. Print&Go's "3D GUN'T" software to block printing firearm parts spells out this potential under "How does 3D GUN'T work?" <blockquote>3. Complete print traceability		Another concern is tracking and loss of privacy. Print&Go's "3D GUN'T" software to block printing firearm parts spells out this potential under "How does 3D GUN'T work?" <blockquote><big>3. Complete print traceability</big>

	The system keeps a record of everything that's printed, including who printed it, what was printed, and even where they were when it was printed. If someone does manage to print a gun, the authorities will be able to '''identify and trace any instances''' of printing gun-related material.<ref name="printandgo" /></blockquote>While the system is aimed at tracking ''firearm'' parts, there is no regard given for any other ~~possible~~ use of 3D printers.		The system keeps a record of everything that's printed, including who printed it, what was printed, and even where they were when it was printed. If someone does manage to print a gun, the authorities will be able to '''identify and trace any instances''' of printing gun-related material.<ref name="printandgo" /></blockquote>While the system is aimed at tracking ''firearm'' parts, there is no regard given for any other use of 3D printers.

	==Court cases==		==Court cases==

Marc84: /* Consumer rights and ownership concerns */ Add rest of quote, to prevent claims it was "taken out of context".

2026-06-17T00:28:48Z

Consumer rights and ownership concerns: Add rest of quote, to prevent claims it was "taken out of context".

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	Another concern is tracking and loss of privacy. Print&Go's "3D GUN'T" software to block printing firearm parts spells out this potential under "How does 3D GUN'T work?" <blockquote>3. Complete print traceability		Another concern is tracking and loss of privacy. Print&Go's "3D GUN'T" software to block printing firearm parts spells out this potential under "How does 3D GUN'T work?" <blockquote>3. Complete print traceability

	The system keeps a record of everything that's printed, including who printed it, what was printed, and even where they were when it was printed.<ref name="printandgo" /></blockquote>		The system keeps a record of everything that's printed, including who printed it, what was printed, and even where they were when it was printed. If someone does manage to print a gun, the authorities will be able to '''identify and trace any instances''' of printing gun-related material.<ref name="printandgo" /></blockquote>While the system is aimed at tracking ''firearm'' parts, there is no regard given for any other possible use of 3D printers.

	==Court cases==		==Court cases==

Marc84: /* Consumer rights and ownership concerns */ Added paragraph for tracking and loss of privacy.

2026-06-17T00:14:12Z

Consumer rights and ownership concerns: Added paragraph for tracking and loss of privacy.

← Older revision		Revision as of 00:14, 17 June 2026
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	A third concern is copyleft compliance. The slicer and firmware that drive most consumer printers are open-source projects under copyleft licenses. PrusaSlicer and Bambu Studio are released under the GNU Affero General Public License version 3 (AGPLv3), and the firmware projects Marlin and Klipper are released under the GNU General Public License version 3 (GPLv3).<ref name="prusaslicer-lic" /><ref name="bambustudio-lic" /><ref name="marlin-lic" /><ref name="klipper-lic" /> GPLv3 Section 6 requires a distributor of a consumer product to provide the ''"Installation Information"'' needed to install and run a modified version of the covered software on that product, and AGPLv3 Section 13 requires that users interacting with modified software over a network be offered its source.<ref name="gpl3" /><ref name="agpl3" /> Those source-disclosure obligations have been enforced against printer makers: in August 2018 the US distributor Printed Solid stopped selling Creality machines over an unreleased Marlin source violation, and on May 18, 2026 the Software Freedom Conservancy alleged that Bambu Lab violated AGPLv3 by combining Bambu Studio with a proprietary library.<ref name="hackaday-marlin" /><ref name="sfc-bambu" /> A separate dispute over compiled binary modules on Creality's K1 and K2 printers is documented in the [[Creality K2 series GPLv3 violation]] article.		A third concern is copyleft compliance. The slicer and firmware that drive most consumer printers are open-source projects under copyleft licenses. PrusaSlicer and Bambu Studio are released under the GNU Affero General Public License version 3 (AGPLv3), and the firmware projects Marlin and Klipper are released under the GNU General Public License version 3 (GPLv3).<ref name="prusaslicer-lic" /><ref name="bambustudio-lic" /><ref name="marlin-lic" /><ref name="klipper-lic" /> GPLv3 Section 6 requires a distributor of a consumer product to provide the ''"Installation Information"'' needed to install and run a modified version of the covered software on that product, and AGPLv3 Section 13 requires that users interacting with modified software over a network be offered its source.<ref name="gpl3" /><ref name="agpl3" /> Those source-disclosure obligations have been enforced against printer makers: in August 2018 the US distributor Printed Solid stopped selling Creality machines over an unreleased Marlin source violation, and on May 18, 2026 the Software Freedom Conservancy alleged that Bambu Lab violated AGPLv3 by combining Bambu Studio with a proprietary library.<ref name="hackaday-marlin" /><ref name="sfc-bambu" /> A separate dispute over compiled binary modules on Creality's K1 and K2 printers is documented in the [[Creality K2 series GPLv3 violation]] article.

			Another concern is tracking and loss of privacy. Print&Go's "3D GUN'T" software to block printing firearm parts spells out this potential under "How does 3D GUN'T work?" <blockquote>3. Complete print traceability

			The system keeps a record of everything that's printed, including who printed it, what was printed, and even where they were when it was printed.<ref name="printandgo" /></blockquote>

	==Court cases==		==Court cases==

Marc84: /* References */ Add archive links.

2026-06-16T23:29:36Z

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Marc84: /* References */ Add archive links.

2026-06-16T19:32:39Z

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Marc84: /* References */ Add archive links

2026-06-16T18:24:37Z

References: Add archive links

← Older revision		Revision as of 18:24, 16 June 2026
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	<ref name="courthouse">{{Cite web \|url=https://www.courthousenews.com/third-circuit-backs-new-jerseys-crackdown-on-3d-printed-gun-code/ \|title=Third Circuit backs New Jersey's crackdown on 3D-printed gun code \|publisher=Courthouse News Service \|date=2026-02-12 \|access-date=2026-06-02}}</ref>		<ref name="courthouse">{{Cite web \|url=https://www.courthousenews.com/third-circuit-backs-new-jerseys-crackdown-on-3d-printed-gun-code/ \|title=Third Circuit backs New Jersey's crackdown on 3D-printed gun code \|publisher=Courthouse News Service \|date=2026-02-12 \|access-date=2026-06-02}}</ref>
	<ref name="vanderstok">{{Cite web \|url=https://www.supremecourt.gov/opinions/24pdf/23-852_c07d.pdf \|title=Bondi v. VanDerStok, No. 23-852 \|publisher=Supreme Court of the United States \|date=2025-03-26 \|access-date=2026-06-02}} Page 7 states that "a frame or receiver is, even when sold separately, subject to the Act's requirements"; the Court upheld the ATF's 2022 frame-or-receiver rule.</ref>		<ref name="vanderstok">{{Cite web \|url=https://www.supremecourt.gov/opinions/24pdf/23-852_c07d.pdf \|title=Bondi v. VanDerStok, No. 23-852 \|publisher=Supreme Court of the United States \|date=2025-03-26 \|access-date=2026-06-02}} Page 7 states that "a frame or receiver is, even when sold separately, subject to the Act's requirements"; the Court upheld the ATF's 2022 frame-or-receiver rule.</ref>
	<ref name="testimony">{{Cite web \|url=https://www.nysenate.gov/sites/default/files/admin/structure/media/manage/filefile/a/2026-03/everytown-for-gun-safety.pdf \|~~title~~=~~Testimony of Everytown for Gun Safety to the Senate Finance Committee and Assembly Ways and Means Committee in Support of PPGG Part C~~ \|~~author~~=~~Elisabeth Ryan \|publisher=Everytown~~ for ~~Gun Safety~~ \|date=2026-02-12 \|access-date=2026-06-02}} Policy counsel Elisabeth Ryan's written testimony on behalf of Everytown for Gun Safety supporting New York's 3D printer blocking mandate.</ref>		<ref name="testimony">{{Cite web \|author=Elisabeth Ryan \|date=2026-02-12 \|title=Testimony of Everytown for Gun Safety to the Senate Finance Committee and Assembly Ways and Means Committee in Support of PPGG Part C \|url=https://www.nysenate.gov/sites/default/files/admin/structure/media/manage/filefile/a/2026-03/everytown-for-gun-safety.pdf \|url-status=live \|archive-url=https://web.archive.org/web/20260605125415/https://www.nysenate.gov/sites/default/files/admin/structure/media/manage/filefile/a/2026-03/everytown-for-gun-safety.pdf \|archive-date=2026-06-05 \|access-date=2026-06-02 \|publisher=Everytown for Gun Safety}} Policy counsel Elisabeth Ryan's written testimony on behalf of Everytown for Gun Safety supporting New York's 3D printer blocking mandate.</ref>
	<ref name="everytown-ca">{{Cite web \|url=https://www.everytown.org/press/california-assembly-passes-landmark-bill-to-stop-the-rise-of-3d-printed-ghost-guns/ \|~~title~~=~~California Assembly Passes Landmark Bill~~ to ~~Stop~~ the ~~Rise~~ of 3D-~~Printed Ghost Guns \|publisher=Everytown for Gun Safety~~ \|date=2026-05-27 \|access-date=2026-06-02}} States that AB 2047 "would require that consumer 3D printers sold in California include existing technology capable of blocking attempts to print firearms and illegal gun parts."</ref>		<ref name="everytown-ca">{{Cite web \|date=2026-05-27 \|title=California Assembly Passes Landmark Bill to Stop the Rise of 3D-Printed Ghost Guns \|url=https://www.everytown.org/press/california-assembly-passes-landmark-bill-to-stop-the-rise-of-3d-printed-ghost-guns/ \|url-status=live \|archive-url=https://web.archive.org/web/20260616180028/https://www.everytown.org/press/california-assembly-passes-landmark-bill-to-stop-the-rise-of-3d-printed-ghost-guns/ \|archive-date=2026-06-16 \|access-date=2026-06-02 \|publisher=Everytown for Gun Safety}} States that AB 2047 "would require that consumer 3D printers sold in California include existing technology capable of blocking attempts to print firearms and illegal gun parts."</ref>
	<ref name="wa-hb2321">{{Cite web \|url=https://app.leg.wa.gov/billsummary?BillNumber=2321&Year=2025 \|~~title~~=HB 2321 - ~~Requiring three~~-~~dimensional printers be equipped with certain blocking technologies \|publisher=Washington State Legislature~~ \|access-date=2026-06-02}}</ref>		<ref name="wa-hb2321">{{Cite web \|title=HB 2321 - Requiring three-dimensional printers be equipped with certain blocking technologies \|url=https://app.leg.wa.gov/billsummary?BillNumber=2321&Year=2025 \|url-status=live \|archive-url=https://web.archive.org/web/20260310234307/https://app.leg.wa.gov/billsummary?BillNumber=2321&Year=2025 \|archive-date=2026-03-10 \|access-date=2026-06-02 \|publisher=Washington State Legislature}}</ref>
	<ref name="everytown-wa">{{Cite web \|url=https://www.everytown.org/press/washington-legislature-passes-critical-bill-to-address-threat-of-3d-printed-ghost-guns/ \|~~title~~=~~Washington Legislature Passes Critical Bill~~ to ~~Address Threat~~ of 3D-~~Printed Ghost Guns \|publisher=Everytown for Gun Safety~~ \|date=2026-03-11 \|access-date=2026-06-02}}</ref>		<ref name="everytown-wa">{{Cite web \|date=2026-03-11 \|title=Washington Legislature Passes Critical Bill to Address Threat of 3D-Printed Ghost Guns \|url=https://www.everytown.org/press/washington-legislature-passes-critical-bill-to-address-threat-of-3d-printed-ghost-guns/ \|url-status=live \|archive-url=https://web.archive.org/web/20260412034856/https://www.everytown.org/press/washington-legislature-passes-critical-bill-to-address-threat-of-3d-printed-ghost-guns/ \|archive-date=2026-04-12 \|access-date=2026-06-02 \|publisher=Everytown for Gun Safety}}</ref>
	<ref name="everytown-co">{{Cite web \|url=https://www.everytown.org/press/governor-polis-signs-hb-1144-into-law-marking-step-forward-on-tackling-the-spread-of-3d-printed-guns-as-advocates-push-for-stronger-action/ \|~~title~~=~~Governor Polis Signs HB~~ 1144 ~~Into Law, Marking Step Forward~~ on ~~Tackling~~ the ~~Spread~~ of 3D-~~Printed Guns~~ as ~~Advocates Push~~ for ~~Stronger Action \|publisher=Everytown for Gun Safety~~ \|date=2026-05-04 \|access-date=2026-06-02}}</ref>		<ref name="everytown-co">{{Cite web \|date=2026-05-04 \|title=Governor Polis Signs HB 1144 Into Law, Marking Step Forward on Tackling the Spread of 3D-Printed Guns as Advocates Push for Stronger Action \|url=https://www.everytown.org/press/governor-polis-signs-hb-1144-into-law-marking-step-forward-on-tackling-the-spread-of-3d-printed-guns-as-advocates-push-for-stronger-action/ \|url-status=live \|archive-url=https://web.archive.org/web/20260520034735/https://www.everytown.org/press/governor-polis-signs-hb-1144-into-law-marking-step-forward-on-tackling-the-spread-of-3d-printed-guns-as-advocates-push-for-stronger-action/ \|archive-date=2026-05-20 \|access-date=2026-06-02 \|publisher=Everytown for Gun Safety}}</ref>
	<ref name="everytown-ct">{{Cite web \|url=https://www.everytown.org/press/connecticut-chapters-of-moms-demand-action-students-demand-action-applaud-governor-ned-lamonts-bold-move-to-stop-the-spread-of-diy-machine-guns/ \|~~title~~=~~Connecticut Chapters~~ of ~~Moms Demand Action, Students Demand Action Applaud Governor Ned Lamont's Bold Move~~ to ~~Stop~~ the ~~Spread~~ of ~~DIY Machine Guns \|publisher=Everytown for Gun Safety~~ \|date=2026 \|access-date=2026-06-02}}</ref>		<ref name="everytown-ct">{{Cite web \|date=2026 \|title=Connecticut Chapters of Moms Demand Action, Students Demand Action Applaud Governor Ned Lamont's Bold Move to Stop the Spread of DIY Machine Guns \|url=https://www.everytown.org/press/connecticut-chapters-of-moms-demand-action-students-demand-action-applaud-governor-ned-lamonts-bold-move-to-stop-the-spread-of-diy-machine-guns/ \|url-status=live \|archive-url=https://web.archive.org/web/20260616181549/https://www.everytown.org/press/connecticut-chapters-of-moms-demand-action-students-demand-action-applaud-governor-ned-lamonts-bold-move-to-stop-the-spread-of-diy-machine-guns/ \|archive-date=2026-06-16 \|access-date=2026-06-02 \|publisher=Everytown for Gun Safety}}</ref>
	<ref name="everytown-vt">{{Cite web \|url=https://www.everytown.org/press/victory-for-gun-safety-vermont-governor-phil-scott-allows-bill-to-prohibit-unserialized-ghost-guns-to-become-law-moms-demand-action-and-students-demand-action-respond/ \|title=Victory for Gun Safety: Vermont Governor Phil Scott Allows Bill to Prohibit Unserialized Ghost Guns to Become Law \|publisher=Everytown for Gun Safety \|date=2024-05-28 \|access-date=2026-06-02}}</ref>		<ref name="everytown-vt">{{Cite web \|url=https://www.everytown.org/press/victory-for-gun-safety-vermont-governor-phil-scott-allows-bill-to-prohibit-unserialized-ghost-guns-to-become-law-moms-demand-action-and-students-demand-action-respond/ \|title=Victory for Gun Safety: Vermont Governor Phil Scott Allows Bill to Prohibit Unserialized Ghost Guns to Become Law \|publisher=Everytown for Gun Safety \|date=2024-05-28 \|access-date=2026-06-02}}</ref>
	</references>		</references>

Doofus: Added:Category:3D printing to help bring this page to the main 3d printing category.

2026-06-16T00:07:57Z

Added:Category:3D printing to help bring this page to the main 3d printing category.

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	[[Category:Legislation]]		[[Category:Legislation]]
	[[Category:Digital rights management]]		[[Category:Digital rights management]]
			[[Category:3D printing]]

Marc84: /* References */ Add archive links

2026-06-09T00:58:28Z

References: Add archive links

Sojourna: Removed left-over ref; moved refs to inside quotes.

2026-06-07T03:15:11Z

Removed left-over ref; moved refs to inside quotes.

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← Older revision		Revision as of 17:14, 19 June 2026
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	<ref name="prusaslicer-lic">{{Cite web \|title=PrusaSlicer LICENSE file \|url=https://github.com/prusa3d/PrusaSlicer/blob/master/LICENSE \|url-status=live \|archive-url=https://web.archive.org/web/20260520083703/https://github.com/prusa3d/PrusaSlicer/blob/master/LICENSE \|archive-date=2026-05-20 \|access-date=2026-06-02 \|publisher=Prusa Research (GitHub)}} Identifies PrusaSlicer as licensed under the GNU Affero General Public License v3.0.</ref>		<ref name="prusaslicer-lic">{{Cite web \|title=PrusaSlicer LICENSE file \|url=https://github.com/prusa3d/PrusaSlicer/blob/master/LICENSE \|url-status=live \|archive-url=https://web.archive.org/web/20260520083703/https://github.com/prusa3d/PrusaSlicer/blob/master/LICENSE \|archive-date=2026-05-20 \|access-date=2026-06-02 \|publisher=Prusa Research (GitHub)}} Identifies PrusaSlicer as licensed under the GNU Affero General Public License v3.0.</ref>
	<ref name="bambustudio-lic">{{Cite web \|title=BambuStudio LICENSE file \|url=https://github.com/bambulab/BambuStudio/blob/master/LICENSE \|url-status=live \|archive-url=https://web.archive.org/web/20251202095911/https://github.com/bambulab/BambuStudio/blob/master/LICENSE \|archive-date=2025-12-02 \|access-date=2026-06-02 \|publisher=Bambu Lab (GitHub)}} Identifies bambulab/BambuStudio as licensed under the GNU Affero General Public License v3.0.</ref>		<ref name="bambustudio-lic">{{Cite web \|title=BambuStudio LICENSE file \|url=https://github.com/bambulab/BambuStudio/blob/master/LICENSE \|url-status=live \|archive-url=https://web.archive.org/web/20251202095911/https://github.com/bambulab/BambuStudio/blob/master/LICENSE \|archive-date=2025-12-02 \|access-date=2026-06-02 \|publisher=Bambu Lab (GitHub)}} Identifies bambulab/BambuStudio as licensed under the GNU Affero General Public License v3.0.</ref>
	<ref name="marlin-lic">{{Cite web \|url=https://github.com/MarlinFirmware/Marlin/blob/2.1.x/LICENSE \|~~title~~=Marlin LICENSE ~~file~~ \|~~publisher~~=~~MarlinFirmware (GitHub)~~ \|access-date=2026-06-02}} Reproduces the GNU General Public License Version 3.</ref>		<ref name="marlin-lic">{{Cite web \|title=Marlin LICENSE file \|url=https://github.com/MarlinFirmware/Marlin/blob/2.1.x/LICENSE \|url-status=live \|archive-url=https://web.archive.org/web/20260619170859/https://github.com/MarlinFirmware/Marlin/blob/2.1.x/LICENSE \|archive-date=2026-06-19 \|access-date=2026-06-02 \|publisher=MarlinFirmware (GitHub)}} Reproduces the GNU General Public License Version 3.</ref>
	<ref name="klipper-lic">{{Cite web \|title=Klipper COPYING file \|url=https://github.com/Klipper3d/klipper/blob/master/COPYING \|url-status=live \|archive-url=https://web.archive.org/web/20260424183410/https://github.com/Klipper3d/klipper/blob/master/COPYING \|archive-date=2026-04-24 \|access-date=2026-06-02 \|publisher=Klipper3d (GitHub)}} Reproduces the GNU General Public License Version 3.</ref>		<ref name="klipper-lic">{{Cite web \|title=Klipper COPYING file \|url=https://github.com/Klipper3d/klipper/blob/master/COPYING \|url-status=live \|archive-url=https://web.archive.org/web/20260424183410/https://github.com/Klipper3d/klipper/blob/master/COPYING \|archive-date=2026-04-24 \|access-date=2026-06-02 \|publisher=Klipper3d (GitHub)}} Reproduces the GNU General Public License Version 3.</ref>
	<ref name="hackaday-marlin">{{Cite web \|author=Tom Nardi \|date=2018-08-27 \|title=GPL Violations Cost Creality A US Distributor \|url=https://hackaday.com/2018/08/27/gpl-violations-cost-creality-a-us-distributor/ \|url-status=live \|archive-url=https://web.archive.org/web/20260526020512/https://hackaday.com/2018/08/27/gpl-violations-cost-creality-a-us-distributor/ \|archive-date=2026-05-26 \|access-date=2026-06-02 \|publisher=Hackaday}} Reports that US distributor Printed Solid stopped selling Creality printers over unreleased Marlin (GPLv3) corresponding source on the CR-10 line.</ref>		<ref name="hackaday-marlin">{{Cite web \|author=Tom Nardi \|date=2018-08-27 \|title=GPL Violations Cost Creality A US Distributor \|url=https://hackaday.com/2018/08/27/gpl-violations-cost-creality-a-us-distributor/ \|url-status=live \|archive-url=https://web.archive.org/web/20260526020512/https://hackaday.com/2018/08/27/gpl-violations-cost-creality-a-us-distributor/ \|archive-date=2026-05-26 \|access-date=2026-06-02 \|publisher=Hackaday}} Reports that US distributor Printed Solid stopped selling Creality printers over unreleased Marlin (GPLv3) corresponding source on the CR-10 line.</ref>

← Older revision		Revision as of 18:24, 16 June 2026
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	<ref name="courthouse">{{Cite web \|url=https://www.courthousenews.com/third-circuit-backs-new-jerseys-crackdown-on-3d-printed-gun-code/ \|title=Third Circuit backs New Jersey's crackdown on 3D-printed gun code \|publisher=Courthouse News Service \|date=2026-02-12 \|access-date=2026-06-02}}</ref>		<ref name="courthouse">{{Cite web \|url=https://www.courthousenews.com/third-circuit-backs-new-jerseys-crackdown-on-3d-printed-gun-code/ \|title=Third Circuit backs New Jersey's crackdown on 3D-printed gun code \|publisher=Courthouse News Service \|date=2026-02-12 \|access-date=2026-06-02}}</ref>
	<ref name="vanderstok">{{Cite web \|url=https://www.supremecourt.gov/opinions/24pdf/23-852_c07d.pdf \|title=Bondi v. VanDerStok, No. 23-852 \|publisher=Supreme Court of the United States \|date=2025-03-26 \|access-date=2026-06-02}} Page 7 states that "a frame or receiver is, even when sold separately, subject to the Act's requirements"; the Court upheld the ATF's 2022 frame-or-receiver rule.</ref>		<ref name="vanderstok">{{Cite web \|url=https://www.supremecourt.gov/opinions/24pdf/23-852_c07d.pdf \|title=Bondi v. VanDerStok, No. 23-852 \|publisher=Supreme Court of the United States \|date=2025-03-26 \|access-date=2026-06-02}} Page 7 states that "a frame or receiver is, even when sold separately, subject to the Act's requirements"; the Court upheld the ATF's 2022 frame-or-receiver rule.</ref>
	<ref name="testimony">{{Cite web \|url=https://www.nysenate.gov/sites/default/files/admin/structure/media/manage/filefile/a/2026-03/everytown-for-gun-safety.pdf \|~~title~~=~~Testimony of Everytown for Gun Safety to the Senate Finance Committee and Assembly Ways and Means Committee in Support of PPGG Part C~~ \|~~author~~=~~Elisabeth Ryan \|publisher=Everytown~~ for ~~Gun Safety~~ \|date=2026-02-12 \|access-date=2026-06-02}} Policy counsel Elisabeth Ryan's written testimony on behalf of Everytown for Gun Safety supporting New York's 3D printer blocking mandate.</ref>		<ref name="testimony">{{Cite web \|author=Elisabeth Ryan \|date=2026-02-12 \|title=Testimony of Everytown for Gun Safety to the Senate Finance Committee and Assembly Ways and Means Committee in Support of PPGG Part C \|url=https://www.nysenate.gov/sites/default/files/admin/structure/media/manage/filefile/a/2026-03/everytown-for-gun-safety.pdf \|url-status=live \|archive-url=https://web.archive.org/web/20260605125415/https://www.nysenate.gov/sites/default/files/admin/structure/media/manage/filefile/a/2026-03/everytown-for-gun-safety.pdf \|archive-date=2026-06-05 \|access-date=2026-06-02 \|publisher=Everytown for Gun Safety}} Policy counsel Elisabeth Ryan's written testimony on behalf of Everytown for Gun Safety supporting New York's 3D printer blocking mandate.</ref>
	<ref name="everytown-ca">{{Cite web \|url=https://www.everytown.org/press/california-assembly-passes-landmark-bill-to-stop-the-rise-of-3d-printed-ghost-guns/ \|~~title~~=~~California Assembly Passes Landmark Bill~~ to ~~Stop~~ the ~~Rise~~ of 3D-~~Printed Ghost Guns \|publisher=Everytown for Gun Safety~~ \|date=2026-05-27 \|access-date=2026-06-02}} States that AB 2047 "would require that consumer 3D printers sold in California include existing technology capable of blocking attempts to print firearms and illegal gun parts."</ref>		<ref name="everytown-ca">{{Cite web \|date=2026-05-27 \|title=California Assembly Passes Landmark Bill to Stop the Rise of 3D-Printed Ghost Guns \|url=https://www.everytown.org/press/california-assembly-passes-landmark-bill-to-stop-the-rise-of-3d-printed-ghost-guns/ \|url-status=live \|archive-url=https://web.archive.org/web/20260616180028/https://www.everytown.org/press/california-assembly-passes-landmark-bill-to-stop-the-rise-of-3d-printed-ghost-guns/ \|archive-date=2026-06-16 \|access-date=2026-06-02 \|publisher=Everytown for Gun Safety}} States that AB 2047 "would require that consumer 3D printers sold in California include existing technology capable of blocking attempts to print firearms and illegal gun parts."</ref>
	<ref name="wa-hb2321">{{Cite web \|url=https://app.leg.wa.gov/billsummary?BillNumber=2321&Year=2025 \|~~title~~=HB 2321 - ~~Requiring three~~-~~dimensional printers be equipped with certain blocking technologies \|publisher=Washington State Legislature~~ \|access-date=2026-06-02}}</ref>		<ref name="wa-hb2321">{{Cite web \|title=HB 2321 - Requiring three-dimensional printers be equipped with certain blocking technologies \|url=https://app.leg.wa.gov/billsummary?BillNumber=2321&Year=2025 \|url-status=live \|archive-url=https://web.archive.org/web/20260310234307/https://app.leg.wa.gov/billsummary?BillNumber=2321&Year=2025 \|archive-date=2026-03-10 \|access-date=2026-06-02 \|publisher=Washington State Legislature}}</ref>
	<ref name="everytown-wa">{{Cite web \|url=https://www.everytown.org/press/washington-legislature-passes-critical-bill-to-address-threat-of-3d-printed-ghost-guns/ \|~~title~~=~~Washington Legislature Passes Critical Bill~~ to ~~Address Threat~~ of 3D-~~Printed Ghost Guns \|publisher=Everytown for Gun Safety~~ \|date=2026-03-11 \|access-date=2026-06-02}}</ref>		<ref name="everytown-wa">{{Cite web \|date=2026-03-11 \|title=Washington Legislature Passes Critical Bill to Address Threat of 3D-Printed Ghost Guns \|url=https://www.everytown.org/press/washington-legislature-passes-critical-bill-to-address-threat-of-3d-printed-ghost-guns/ \|url-status=live \|archive-url=https://web.archive.org/web/20260412034856/https://www.everytown.org/press/washington-legislature-passes-critical-bill-to-address-threat-of-3d-printed-ghost-guns/ \|archive-date=2026-04-12 \|access-date=2026-06-02 \|publisher=Everytown for Gun Safety}}</ref>
	<ref name="everytown-co">{{Cite web \|url=https://www.everytown.org/press/governor-polis-signs-hb-1144-into-law-marking-step-forward-on-tackling-the-spread-of-3d-printed-guns-as-advocates-push-for-stronger-action/ \|~~title~~=~~Governor Polis Signs HB~~ 1144 ~~Into Law, Marking Step Forward~~ on ~~Tackling~~ the ~~Spread~~ of 3D-~~Printed Guns~~ as ~~Advocates Push~~ for ~~Stronger Action \|publisher=Everytown for Gun Safety~~ \|date=2026-05-04 \|access-date=2026-06-02}}</ref>		<ref name="everytown-co">{{Cite web \|date=2026-05-04 \|title=Governor Polis Signs HB 1144 Into Law, Marking Step Forward on Tackling the Spread of 3D-Printed Guns as Advocates Push for Stronger Action \|url=https://www.everytown.org/press/governor-polis-signs-hb-1144-into-law-marking-step-forward-on-tackling-the-spread-of-3d-printed-guns-as-advocates-push-for-stronger-action/ \|url-status=live \|archive-url=https://web.archive.org/web/20260520034735/https://www.everytown.org/press/governor-polis-signs-hb-1144-into-law-marking-step-forward-on-tackling-the-spread-of-3d-printed-guns-as-advocates-push-for-stronger-action/ \|archive-date=2026-05-20 \|access-date=2026-06-02 \|publisher=Everytown for Gun Safety}}</ref>
	<ref name="everytown-ct">{{Cite web \|url=https://www.everytown.org/press/connecticut-chapters-of-moms-demand-action-students-demand-action-applaud-governor-ned-lamonts-bold-move-to-stop-the-spread-of-diy-machine-guns/ \|~~title~~=~~Connecticut Chapters~~ of ~~Moms Demand Action, Students Demand Action Applaud Governor Ned Lamont's Bold Move~~ to ~~Stop~~ the ~~Spread~~ of ~~DIY Machine Guns \|publisher=Everytown for Gun Safety~~ \|date=2026 \|access-date=2026-06-02}}</ref>		<ref name="everytown-ct">{{Cite web \|date=2026 \|title=Connecticut Chapters of Moms Demand Action, Students Demand Action Applaud Governor Ned Lamont's Bold Move to Stop the Spread of DIY Machine Guns \|url=https://www.everytown.org/press/connecticut-chapters-of-moms-demand-action-students-demand-action-applaud-governor-ned-lamonts-bold-move-to-stop-the-spread-of-diy-machine-guns/ \|url-status=live \|archive-url=https://web.archive.org/web/20260616181549/https://www.everytown.org/press/connecticut-chapters-of-moms-demand-action-students-demand-action-applaud-governor-ned-lamonts-bold-move-to-stop-the-spread-of-diy-machine-guns/ \|archive-date=2026-06-16 \|access-date=2026-06-02 \|publisher=Everytown for Gun Safety}}</ref>
	<ref name="everytown-vt">{{Cite web \|url=https://www.everytown.org/press/victory-for-gun-safety-vermont-governor-phil-scott-allows-bill-to-prohibit-unserialized-ghost-guns-to-become-law-moms-demand-action-and-students-demand-action-respond/ \|title=Victory for Gun Safety: Vermont Governor Phil Scott Allows Bill to Prohibit Unserialized Ghost Guns to Become Law \|publisher=Everytown for Gun Safety \|date=2024-05-28 \|access-date=2026-06-02}}</ref>		<ref name="everytown-vt">{{Cite web \|url=https://www.everytown.org/press/victory-for-gun-safety-vermont-governor-phil-scott-allows-bill-to-prohibit-unserialized-ghost-guns-to-become-law-moms-demand-action-and-students-demand-action-respond/ \|title=Victory for Gun Safety: Vermont Governor Phil Scott Allows Bill to Prohibit Unserialized Ghost Guns to Become Law \|publisher=Everytown for Gun Safety \|date=2024-05-28 \|access-date=2026-06-02}}</ref>
	</references>		</references>

← Older revision		Revision as of 00:58, 9 June 2026
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	<ref name="everytown">{{Cite web \|date=2026-05-21 \|title=New York Shuts Down the 'Plastic Pipeline': Governor Hochul and Lawmakers Pass Nation-Leading Measures to Stop the Spread of DIY Machine Guns and 3D-Printed Firearms in FY27 Budget \|url=https://www.everytown.org/press/new-york-shuts-down-the-plastic-pipeline-governor-hochul-and-lawmakers-pass-nation-leading-measures-to-stop-the-spread-of-diy-machine-guns-and-3d-printed-firearms-in-fy27-budget/ \|url-status=live \|archive-url=https://web.archive.org/web/20260603041034/https://www.everytown.org/press/new-york-shuts-down-the-plastic-pipeline-governor-hochul-and-lawmakers-pass-nation-leading-measures-to-stop-the-spread-of-diy-machine-guns-and-3d-printed-firearms-in-fy27-budget/ \|archive-date=2026-06-03 \|access-date=2026-06-02 \|publisher=Everytown for Gun Safety}}</ref>		<ref name="everytown">{{Cite web \|date=2026-05-21 \|title=New York Shuts Down the 'Plastic Pipeline': Governor Hochul and Lawmakers Pass Nation-Leading Measures to Stop the Spread of DIY Machine Guns and 3D-Printed Firearms in FY27 Budget \|url=https://www.everytown.org/press/new-york-shuts-down-the-plastic-pipeline-governor-hochul-and-lawmakers-pass-nation-leading-measures-to-stop-the-spread-of-diy-machine-guns-and-3d-printed-firearms-in-fy27-budget/ \|url-status=live \|archive-url=https://web.archive.org/web/20260603041034/https://www.everytown.org/press/new-york-shuts-down-the-plastic-pipeline-governor-hochul-and-lawmakers-pass-nation-leading-measures-to-stop-the-spread-of-diy-machine-guns-and-3d-printed-firearms-in-fy27-budget/ \|archive-date=2026-06-03 \|access-date=2026-06-02 \|publisher=Everytown for Gun Safety}}</ref>
	<ref name="nra">{{Cite web \|url=https://www.nraila.org/articles/20260527/new-york-gov-kathy-hochul-signs-gun-ban-in-state-budget-process \|title=New York: Gov. Kathy Hochul Signs Gun Ban in State Budget Process \|publisher=NRA Institute for Legislative Action \|date=2026-05-27 \|access-date=2026-06-02}}</ref>		<ref name="nra">{{Cite web \|url=https://www.nraila.org/articles/20260527/new-york-gov-kathy-hochul-signs-gun-ban-in-state-budget-process \|title=New York: Gov. Kathy Hochul Signs Gun Ban in State Budget Process \|publisher=NRA Institute for Legislative Action \|date=2026-05-27 \|access-date=2026-06-02}}</ref>
	<ref name="wa-bill">{{Cite web \|url=https://app.leg.wa.gov/billsummary?BillNumber=2321&Year=2025 \|~~title~~=HB 2321 ~~- Requiring three-dimensional printers be equipped with certain blocking technologies \|publisher~~=~~Washington State Legislature~~ \|date=2026 \|access-date=2026-06-02}}</ref>		<ref name="wa-bill">{{Cite web \|date=2026 \|title=HB 2321 - Requiring three-dimensional printers be equipped with certain blocking technologies \|url=https://app.leg.wa.gov/billsummary?BillNumber=2321&Year=2025 \|url-status=live \|archive-url=https://web.archive.org/web/20260310234307/https://app.leg.wa.gov/billsummary?BillNumber=2321&Year=2025 \|archive-date=2026-03-10 \|access-date=2026-06-02 \|publisher=Washington State Legislature}}</ref>
	<ref name="wa-2320">{{Cite web \|url=https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=2320 \|~~title~~=~~HB 2320~~ - 2025~~-26 \|publisher~~=~~Washington State Legislature~~ \|date=2026 \|access-date=2026-06-02}}</ref>		<ref name="wa-2320">{{Cite web \|date=2026 \|title=HB 2320 - 2025-26 \|url=https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=2320 \|url-status=live \|archive-url=https://web.archive.org/web/20260317193526/https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=2320 \|archive-date=2026-03-17 \|access-date=2026-06-02 \|publisher=Washington State Legislature}}</ref>
	<ref name="toms-wa">{{Cite web \|author=Stephen Warwick \|date=2026-01-19 \|title=Washington state proposes new 3D-printed gun controls with blocking features and blueprint detection algorithm \|url=https://www.tomshardware.com/3d-printing/washington-state-proposes-new-3d-printed-gun-controls-with-blocking-features-and-blueprint-detection-algorithm-proposal-would-carry-sentences-of-five-years-in-prison-usd15-000-fine-for-violation \|url-status=live \|archive-url=https://web.archive.org/web/20260605000447/https://www.tomshardware.com/3d-printing/washington-state-proposes-new-3d-printed-gun-controls-with-blocking-features-and-blueprint-detection-algorithm-proposal-would-carry-sentences-of-five-years-in-prison-usd15-000-fine-for-violation \|archive-date=2026-06-05 \|access-date=2026-06-02 \|publisher=Tom's Hardware}}</ref>		<ref name="toms-wa">{{Cite web \|author=Stephen Warwick \|date=2026-01-19 \|title=Washington state proposes new 3D-printed gun controls with blocking features and blueprint detection algorithm \|url=https://www.tomshardware.com/3d-printing/washington-state-proposes-new-3d-printed-gun-controls-with-blocking-features-and-blueprint-detection-algorithm-proposal-would-carry-sentences-of-five-years-in-prison-usd15-000-fine-for-violation \|url-status=live \|archive-url=https://web.archive.org/web/20260605000447/https://www.tomshardware.com/3d-printing/washington-state-proposes-new-3d-printed-gun-controls-with-blocking-features-and-blueprint-detection-algorithm-proposal-would-carry-sentences-of-five-years-in-prison-usd15-000-fine-for-violation \|archive-date=2026-06-05 \|access-date=2026-06-02 \|publisher=Tom's Hardware}}</ref>
	<ref name="ca-bill">{{Cite web \|url=https://leginfo.legislature.ca.gov/faces/billTextClient.xhtml?bill_id=202520260AB2047 \|~~title~~=AB-~~2047 Firearms~~: ~~3-dimensional printing blocking technology \|publisher~~=~~California Legislative Information~~ \|date=2026-05-18 \|access-date=2026-06-02}}</ref>		<ref name="ca-bill">{{Cite web \|date=2026-05-18 \|title=AB-2047 Firearms: 3-dimensional printing blocking technology \|url=https://leginfo.legislature.ca.gov/faces/billTextClient.xhtml?bill_id=202520260AB2047 \|url-status=live \|archive-url=https://web.archive.org/web/20260601172317if_/https://leginfo.legislature.ca.gov/faces/billTextClient.xhtml?bill_id=202520260AB2047 \|archive-date=2026-06-01 \|access-date=2026-06-02 \|publisher=California Legislative Information}}</ref>
	<ref name="toms-ca">{{Cite web \|url=https://www.tomshardware.com/3d-printing/california-assembly-passes-3d-printer-bill-that-would-criminalize-bypassing-mandated-gun-blocking-software \|~~title~~=~~California Assembly~~ passes 3D printer bill that would criminalize bypassing mandated gun-blocking software \|~~author=Luke James \|publisher=Tom's Hardware \|~~date=2026-05-30 \|access-date=2026-06-02}}</ref>		<ref name="toms-ca">{{Cite web \|author=Luke James \|date=2026-05-30 \|title=California Assembly passes 3D printer bill that would criminalize bypassing mandated gun-blocking software \|url=https://www.tomshardware.com/3d-printing/california-assembly-passes-3d-printer-bill-that-would-criminalize-bypassing-mandated-gun-blocking-software \|url-status=live \|archive-url=https://web.archive.org/web/20260531140008/https://www.tomshardware.com/3d-printing/california-assembly-passes-3d-printer-bill-that-would-criminalize-bypassing-mandated-gun-blocking-software \|archive-date=2026-05-31 \|access-date=2026-06-02 \|publisher=Tom's Hardware}}</ref>
	<ref name="co-bill">{{Cite web \|url=https://leg.colorado.gov/bills/HB26-1144 \|~~title~~=HB26-1144~~: Prohibit Three~~-~~Dimensional Printing Firearms and Components \|publisher=Colorado General Assembly \|~~date=2026 \|access-date=2026-06-02}}</ref>		<ref name="co-bill">{{Cite web \|date=2026 \|title=HB26-1144: Prohibit Three-Dimensional Printing Firearms and Components \|url=https://leg.colorado.gov/bills/HB26-1144 \|url-status=live \|archive-url=https://web.archive.org/web/20260523062248/https://leg.colorado.gov/bills/HB26-1144 \|archive-date=2026-05-23 \|access-date=2026-06-02 \|publisher=Colorado General Assembly}}</ref>
	<ref name="manhattanda">{{Cite web \|url=https://manhattanda.org/wp-content/uploads/2025/03/Letter-Creality-3.26.25.pdf \|~~title~~=Letter ~~to Shenzhen~~ Creality ~~3D Technology Co~~. ~~\|author=Alvin L~~. ~~Bragg, Jr~~. \|~~publisher=New York County District Attorney's Office \|~~date=~~2025~~-03-26 \|access-date=2026-06-02}} The March 26, 2025 letter urges Creality to make firearm-detection software a default, remove gun blueprints from its cloud platform, and ban illicit-weapon files in its user agreement, and cites Print&GO's "3D GUN'T" software as a model.</ref>		<ref name="manhattanda">{{Cite web \|author=Alvin L. Bragg, Jr. \|date=2025-03-26 \|title=Letter to Shenzhen Creality 3D Technology Co. \|url=https://manhattanda.org/wp-content/uploads/2025/03/Letter-Creality-3.26.25.pdf \|url-status=live \|archive-url=https://web.archive.org/web/20260319203332/https://manhattanda.org/wp-content/uploads/2025/03/Letter-Creality-3.26.25.pdf \|archive-date=2026-03-19 \|access-date=2026-06-02 \|publisher=New York County District Attorney's Office}} The March 26, 2025 letter urges Creality to make firearm-detection software a default, remove gun blueprints from its cloud platform, and ban illicit-weapon files in its user agreement, and cites Print&GO's "3D GUN'T" software as a model.</ref>
	<ref name="printandgo">{{Cite web \|url=https://printandgo.tech/blog/3d-gunt-solution-to-prevent-3d-printed-ghost-guns \|title=3D GUN'T: Print&Go's solution to prevent 3D printed 'Ghost Guns' \|publisher=Print&Go \|date=2024-11-04 \|access-date=2026-06-02}}</ref>		<ref name="printandgo">{{Cite web \|url=https://printandgo.tech/blog/3d-gunt-solution-to-prevent-3d-printed-ghost-guns \|title=3D GUN'T: Print&Go's solution to prevent 3D printed 'Ghost Guns' \|publisher=Print&Go \|date=2024-11-04 \|access-date=2026-06-02}}</ref>
	<ref name="saami">{{Cite web \|url=https://www.outdoorlife.com/guns/what-is-p-ammo/ \|title=What Is +P Ammo? \|publisher=Outdoor Life \|date=2021-06-01 \|access-date=2026-06-02}} States the SAAMI maximum average pressure of 35,000 psi for the 9mm Luger cartridge.</ref>		<ref name="saami">{{Cite web \|url=https://www.outdoorlife.com/guns/what-is-p-ammo/ \|title=What Is +P Ammo? \|publisher=Outdoor Life \|date=2021-06-01 \|access-date=2026-06-02}} States the SAAMI maximum average pressure of 35,000 psi for the 9mm Luger cartridge.</ref>
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	<ref name="eff">{{Cite web \|url=https://www.eff.org/deeplinks/2026/04/stop-new-yorks-attack-3d-printing \|title=Stop New York's Attack on 3D Printing \|author=Rory Mir and Nathan Sheard \|publisher=Electronic Frontier Foundation \|date=2026-04-16 \|access-date=2026-06-02}} Calls the requirement "an unfeasible tech solution," describes print-blocking "censorware" that "surveils every print," and writes that the approach repeats "the mistakes of DRM."</ref>		<ref name="eff">{{Cite web \|url=https://www.eff.org/deeplinks/2026/04/stop-new-yorks-attack-3d-printing \|title=Stop New York's Attack on 3D Printing \|author=Rory Mir and Nathan Sheard \|publisher=Electronic Frontier Foundation \|date=2026-04-16 \|access-date=2026-06-02}} Calls the requirement "an unfeasible tech solution," describes print-blocking "censorware" that "surveils every print," and writes that the approach repeats "the mistakes of DRM."</ref>
	<ref name="eff-permission">{{Cite web \|url=https://www.eff.org/deeplinks/2026/04/print-blocking-anti-consumer-permission-print-part-1 \|title=Print Blocking is Anti-Consumer: Permission to Print Part 1 \|publisher=Electronic Frontier Foundation \|date=2026-04-02 \|access-date=2026-06-02}}</ref>		<ref name="eff-permission">{{Cite web \|url=https://www.eff.org/deeplinks/2026/04/print-blocking-anti-consumer-permission-print-part-1 \|title=Print Blocking is Anti-Consumer: Permission to Print Part 1 \|publisher=Electronic Frontier Foundation \|date=2026-04-02 \|access-date=2026-06-02}}</ref>
	<ref name="techdirt">{{Cite web \|url=https://www.techdirt.com/2026/02/19/new-yorks-new-3d-printing-law-as-written-is-extremely-harmful-and-annoying/ \|~~title~~=~~New York's New 3D Printing Law, As Written, Is Extremely Harmful And Annoying~~ \|~~author~~=~~Karl Bode \|publisher=Techdirt~~ \|date=2026-02-19 \|access-date=2026-06-02}} Reproduces Phillip Torrone of Adafruit on detection as "a classification problem with enormous false positive and false negative rates," on G-code as tool paths, and on the law reaching open-source firmware such as Marlin, Klipper, and RepRap and offline machines.</ref>		<ref name="techdirt">{{Cite web \|author=Karl Bode \|date=2026-02-19 \|title=New York's New 3D Printing Law, As Written, Is Extremely Harmful And Annoying \|url=https://www.techdirt.com/2026/02/19/new-yorks-new-3d-printing-law-as-written-is-extremely-harmful-and-annoying/ \|url-status=live \|archive-url=https://web.archive.org/web/20260301081606/https://www.techdirt.com/2026/02/19/new-yorks-new-3d-printing-law-as-written-is-extremely-harmful-and-annoying/ \|archive-date=2026-03-01 \|access-date=2026-06-02 \|publisher=Techdirt}} Reproduces Phillip Torrone of Adafruit on detection as "a classification problem with enormous false positive and false negative rates," on G-code as tool paths, and on the law reaching open-source firmware such as Marlin, Klipper, and RepRap and offline machines.</ref>
	<ref name="baffle">{{Cite web \|url=https://patents.google.com/patent/US7987944B1 \|title=US Patent 7,987,944 B1, Firearm sound suppressor baffle \|publisher=United States Patent and Trademark Office \|date=2011-08-02 \|access-date=2026-06-02}} Figures show a conical bell with a central aperture and a rear plate within an outer tube.</ref>		<ref name="baffle">{{Cite web \|url=https://patents.google.com/patent/US7987944B1 \|title=US Patent 7,987,944 B1, Firearm sound suppressor baffle \|publisher=United States Patent and Trademark Office \|date=2011-08-02 \|access-date=2026-06-02}} Figures show a conical bell with a central aperture and a rear plate within an outer tube.</ref>
	<ref name="tesla">{{Cite web \|url=https://patents.google.com/patent/US1329559A \|title=US Patent 1,329,559, Valvular Conduit \|author=Nikola Tesla \|publisher=United States Patent and Trademark Office \|date=1920-02-03 \|access-date=2026-06-02}} Drawings show internal cones that pass fluid one way and resist it the other.</ref>		<ref name="tesla">{{Cite web \|url=https://patents.google.com/patent/US1329559A \|title=US Patent 1,329,559, Valvular Conduit \|author=Nikola Tesla \|publisher=United States Patent and Trademark Office \|date=1920-02-03 \|access-date=2026-06-02}} Drawings show internal cones that pass fluid one way and resist it the other.</ref>