this post was submitted on 19 Feb 2026
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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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[–] billwashere@lemmy.world 128 points 18 hours ago (23 children)

If they were smarter, which they are not, they would look to place restrictions on the slicer software. I doubt the printers even have the capability to recognize what is being printed. Most of them are like move left 3 steps, extrude .1mm of filament, move right 1 step…. yada yada yada.

This is just insanely dumb. They are essentially trying to regulate technology they know very little about.

[–] rushmonke@ttrpg.network 1 points 5 hours ago (2 children)

Slicers are open source so anyone can and will remove surveillance malware from it.

[–] AllNewTypeFace@leminal.space 1 points 4 hours ago (1 children)

Require printers to check digital signatures on STL files and have only approved slicers add those

[–] rushmonke@ttrpg.network 2 points 4 hours ago

So we're back to placing restrictions on the printers...

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