this post was submitted on 19 Feb 2026
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308
California’s New Bill Requires DOJ-Approved 3D Printers That Report on Themselves (blog.adafruit.com)
submitted 18 hours ago* (last edited 18 hours ago) by Beep@lemmus.org to c/technology@lemmy.world
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California’s new bill requires DOJ-approved 3D printers that report on themselves targeting general-purpose machines.

Assembly Member Bauer-Kahan introduced AB-2047, the “California Firearm Printing Prevention Act,” on February 17th. The bill would ban the sale or transfer of any 3D printer in California unless it appears on a state-maintained roster of approved makes and models… certified by the Department of Justice as equipped with “firearm blocking technology.” Manufacturers would need to submit attestations for every make and model. The DOJ would publish a list. If your printer isn’t on the list by March 1, 2029, it can’t be sold. In addition, knowingly disabling or circumventing the blocking software is a misdemeanor.

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[–] ToTheGraveMyLove@sh.itjust.works 2 points 17 hours ago* (last edited 17 hours ago) (1 children)

If there's a record of you purchasing X gun, and they find you have that same model with the serial filed off, 99% chance you filed the serial off your gun.

[–] RedMari@reddthat.com 1 points 11 hours ago (1 children)

Right, which is why I was wondering if printing it w/o serial number is less illegal. Because if it's not, either way having it found would guarantee arrest

[–] ToTheGraveMyLove@sh.itjust.works 1 points 9 hours ago

Entirely depends on where you live. Much of the US manufacturing your own firearm is perfectly legal. Some jurisdictions require you to put your own serial number on, but from my understanding most do not.