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 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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[–] lechekaflan@lemmy.world 12 points 1 month ago (1 children)

Silly woman who proposed that bill, if passed the law will only create a black market for 3D printers.

[–] Naia@lemmy.blahaj.zone 12 points 1 month ago (2 children)

And largely unenforceable. Like, it can only really block the sale of prebuilt, proprietary crap like Bamboo, but most of these things are built out of common parts that are used for a verity of applications and there are countless completely open source printers you can just built from sourced parts that this literally cannot apply to.

Even for most of the prebuilt or kits you get you put open source firmware on it. They can boot lock the board that comes with it, technically, but the board is easy enough to replace on most printers and it's a standard micro controller and/or raspberry pi nowadays.

Half the time people who get those kits end up replacing various components to customize for their use case. I have a Sovol SV08 that I put stock Klipper on and want to do the multi-print-head mod someday. I've even considered replacing the main board with a more powerful one so I can run higher microsteps without overloading the processor.

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[–] rushmonke@ttrpg.network 11 points 1 month ago

This is all politics is, convincing morons to vote for puppets of the ruling class.

[–] ColeSloth@discuss.tchncs.de 11 points 1 month ago (3 children)

I could make a working metal gun in a day with hand tools and a trip to home depot. Guns aren't magical complicated devices. It's a handle and a tube and a pin that smacks a bullet.

This bill is the epitome of stupid and one of the reasons the left has had so many issues becoming the party leaders. Stop trying to play "big brother" and stop trying to fuck with the 2nd amendment.

[–] E_coli42@lemmy.world 6 points 1 month ago (5 children)

What do you mean "the left"? The farther left you go, the more people see firearms as important for the people to fight oppression. Karl Marx—pretty much as far left as you can go—was very adament about wokers owning guns.

I think you are trying to refer to authoritarians.

[–] SalamenceFury@piefed.social 6 points 1 month ago* (last edited 1 month ago)

I think he was referring to liberals, which most leftists do not consider to be part of them at all.

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[–] eli@lemmy.world 10 points 1 month ago (1 children)
  1. The printer doesn't know what it is printing, the slicer does, and at that point just use an open source slicer
  2. Just drive to Arizona, Nevada, or Oregon, buy a printer, and drive back, The MicroCenter in Phoenix just opened up.
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[–] SaveTheTuaHawk@lemmy.ca 9 points 1 month ago (4 children)

This is so fucking dumb. Anyone can Smith a gun at any hardware store.

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[–] Cantaloupe@lemmy.fedioasis.cc 8 points 1 month ago

This is true and very underreported.

[–] cley_faye@lemmy.world 8 points 1 month ago (4 children)

Let's entertain the thought. How would one identify what is a gun part being printed, and what is a tube, a mechanical latch, or whatever else. Heck, I printed a plastic replica of a movie prop once. Would that be illegal?

I mean, I'm not in the US, and I know how to drive three steppers according to a list of extremely basic instructions that never ever represent anything "final part-y" looking, but the question remains. How do we go from "lots of gcode" to "yep, that's definitely illegal" without saying that everything is illegal?

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[–] matlag@sh.itjust.works 8 points 1 month ago

That, the coming war against VPN in other states and countries, ... Can't we cut through all these baby steps and get straight to a 1984's telscreen mandatory in all rooms?

Oh come on! Think about all the domestic violence's victims!

[–] freshcow@lemmy.world 7 points 1 month ago

Already contacted my assembly person to oppose it. I get the intent behind it, but theres no way im going to ask the government for permission to use my own hardware.
I dont even own a 3D printer yet, but I wouldn't want to be subject to such a bad and dumb law if and when that changes.

[–] apftwb@lemmy.world 7 points 1 month ago

What are they going to do? Put IoT DRM in every stepper motor?

[–] SnoringEarthworm@sh.itjust.works 7 points 1 month ago* (last edited 1 month ago) (4 children)

Printing guns wouldn't be a problem if you just make all bullets cost $5000.

[–] popekingjoe@lemmy.world 6 points 1 month ago

Damn that guy must've did something! They put $50,000 worth of bullets in his ass!

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[–] northernlights@lemmy.today 6 points 1 month ago

Some poor government employee is going to see loooots of dildos

[–] BradleyUffner@lemmy.world 6 points 1 month ago (1 children)

Easy solution. Sell a separate "motion platform" and an "FDM module" as distinct products that basically snap together.

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[–] DudeImMacGyver@kbin.earth 5 points 1 month ago
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