this post was submitted on 19 Feb 2026
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384
California’s New Bill Requires DOJ-Approved 3D Printers That Report on Themselves (blog.adafruit.com)
submitted 1 day ago* (last edited 1 day 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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[–] Naia@lemmy.blahaj.zone 4 points 5 hours ago (1 children)

Even if this could actually be enforced you have the issue that if they go too far you suddenly have it blocking a cylinder because it thinks you are trying to print a gun barrel.

Not that I don't think they would care about that, but it would certainly cause even more of a backlash.

[–] EtherWhack@lemmy.world 2 points 3 hours ago (1 children)

You wouldn't do the barrel anyway. You'd use tube stock instead

The plastic would be too fragile to handle the heat and pressure that it'd likely be worse than a barrel-less design.

[–] SaveTheTuaHawk@lemmy.ca 2 points 1 hour ago

This is the lie, that a complete gun is printed, as in Sci fi movies.

It's just the parts that are typically wood or plastic on factory made guns.