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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[–] phoenixz@lemmy.ca 10 points 58 minutes ago (2 children)

Sooooo you want to stop gun violence in the US so your first instinct is to fuck over 3D printers because gun violence is okay as long as the guns are bought from the normal vendors?

This paw isn't about lowering gun violence, this is something pushed to protect the gun manufacturers

[–] pogmommy@lemmy.ml 2 points 19 minutes ago

Because it's not about stopping gun violence, it's about ensuring the state has the final say over who gets a firearm, and keeps them out of the hands of people who might genuinely need them for self and community defense by any means possible

[–] jasoman@lemmy.world 1 points 49 minutes ago

Can have the military complex lose money.

[–] pineapplelover@lemmy.dbzer0.com 1 points 9 minutes ago

Fuuuq gotta buy a printer before this shit

[–] AngryCommieKender@lemmy.world 8 points 1 hour ago (1 children)

Someone more eloquent than I am needs to craft a compelling argument that this violates the 2nd amendment.

[–] Naia@lemmy.blahaj.zone 8 points 1 hour ago (2 children)

It also violates the first and fourth. And it does nothing about gun violence.

It's also impossible to actually implement and is no more than one more privacy violation to add to the pile.

[–] filcuk@lemmy.zip 1 points 5 minutes ago

Any proper printer should work offline.
Any normal printer doesn't have nearly enough processing power to run analysis on bgcode/instruction files (it's nor needed for normal operation).

Good luck idiot lawmakers

[–] AngryCommieKender@lemmy.world 1 points 1 hour ago

This is what I'm talking about. We are stating to get to a cojent argument that I can call my representatives with and bitch them out, politely.

Am a Californian by choice.

[–] CetaceanNeeded@lemmy.world 4 points 1 hour ago

This is going to make life hard for hobbyists not criminals.

[–] lechekaflan@lemmy.world 3 points 1 hour 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 2 points 54 minutes ago

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.

[–] SaveTheTuaHawk@lemmy.ca 7 points 1 hour ago (1 children)

Wow...they got us, no way we can print an STL from a USB stick.

[–] filcuk@lemmy.zip 1 points 1 minute ago

Imagine the processing power needed to analyse bgcode for gun or gun part-like shapes!
Not to mention it's easier to make a pipe gun than to learn 3d printing

[–] SaveTheTuaHawk@lemmy.ca 3 points 1 hour ago

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

[–] phutatorius@lemmy.zip 11 points 6 hours ago* (last edited 6 hours ago) (1 children)

Bauer-Kahan is a Democrat, if you wonder.

If the bill is passed, I'd be surprised if Newsom didn't sign it.

[–] Naia@lemmy.blahaj.zone 2 points 50 minutes ago

What kind. Because I'm well aware of how bad democrats can be even if they aren't as bad as the literal fascists.

At best this is a grossly uninformed position. At worst she is pushing this to add it to the pile of privacy violations or because a system like this, if it could actually work, would have an end goal to block people printing copyrighted objects.

[–] MonkderVierte@lemmy.zip 3 points 4 hours ago* (last edited 4 hours ago)

Btw, this doesn't include 3D-printer parts?

[–] rushmonke@ttrpg.network 10 points 6 hours ago

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

[–] EtherWhack@lemmy.world 11 points 7 hours ago (3 children)

I imagine it wouldn't really be too difficult to design parts in a way that they would be completely inconspicuous until trimmed and assembled

[–] Naia@lemmy.blahaj.zone 1 points 47 minutes ago

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.

I bet the code is cracked within the hour of every update from now until eternity. It's like the shit physical locks we put on everything. Nothing but a display of safety.

[–] nutsack@lemmy.dbzer0.com 7 points 5 hours ago

or a 3D printer that doesn't call the FBI

[–] Bluefruit@lemmy.world 36 points 10 hours ago (2 children)

Wow a great bill to stop people from making weapons. Y'all gonna ban pipes and steel ball bearings next?

The fuck is our country coming to man.

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

I would like some regulation of middle aged men with beards 3D printing excessive numbers of Magic the Gathering characters.

[–] Burninator05@lemmy.world 1 points 1 hour ago

Hold up. I'm not sure if we want to crash the filament market.

[–] douglasg14b@lemmy.world 29 points 7 hours ago

Here's the thing. This isn't about banning weapons. It's about controlling access to IPs and preventing right to repair.

A forcibly Internet connected online. Only 3D printer that has to first check a public database to see if it's allowed to print the thing you just sent is most definitely going to be used to block you from printing parts to fix your appliances or devices.

And definitely going to be used to provide copyright protection and blocking to IPS of large corporations and companies.

[–] SabinStargem@lemmy.today 29 points 11 hours ago (2 children)

Even if this bill was in good faith, I wouldn't want it: I believe that the USA is headed into a civil war, and I want the good guys to have the ability to manufacture stuff if they need to. Be it guns or tractor parts, having flexible logistics will be invaluable. Not just for military use, but also for civilians who don't have access to official parts.

In any case, the implementation of universal healthcare and UBI would be much more helpful for quelling violence. People who can have access to mental healthcare and with enough prosperity, are much less likely to become deranged enough to murder people. Measures like this, often exist to keep the peasants from being able to rise up against their overlords.

This thing is a product of malicious greed, not for the sake of good.

[–] Naia@lemmy.blahaj.zone 2 points 38 minutes ago* (last edited 38 minutes ago)

Even if it was in good faith: 3D printed guns are not a problem. Even if you made one it is going to jam up very quickly due to softening and melting, if not just explode all together.

It would be easier, faster, and more effective to build a gun from things sourced at the local hardware store.

Even then, If someone is going to commit a crime with a gun they are unlikely to build it themselves. Most guns used in crimes are actually legally purchased, purchased at a gunshow, or purchased on the black market.

Anyone 3D printing a gun is doing it as a novelty. Because of that I don't see this as a second amendment violation. This is blantantly a first and fourth violation.

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