People print guns and gun parts. More than you think. Now even more since metal printing is starting to become affordable. I print grip and grip attachments for my 9mms and my AR15, trigger guards, barrel clamps, etc. I also find it stupid since, as the article suggests, what kind of algorithm can you implement to do smart detection of something that could be potentially dangerous? Will it also detect negative space? I print inserts in elastic filament with my gun outlines instead of foam (or as foam templates) for my carrying cases. Will the "algorithm" prevent me to do that too? What about my plastic disc thrower toy gun, or my PKD Blaster prop? Both look like guns to me. What about a dumb AI algorithm that lacks common sense?

Printing barrels and FCUs -- the fire control unit, which is the only thing tracked and serialized in a gun at least in the US -- is more difficult but not impossible. Actually, building a functional FCU that can strike a bullet primer, or a barrel that can be used once is not difficult at all and if you look around you can find videos of people that have tested that with a mixture of 3d printing and rudimentary metal working skills. The major issues on designing those parts are reliability and safety. In the Philippines there is a full bootleg gunsmith industry dedicated to build illegal guns that match commercial ones in those aspects too.

Sadly, instead of having better laws we get fallacy rhetoric by people who probably have never touched, much less fired a gun in their lives.

Just imagine what happens when lawmakers discover the possibilities of every one with access to a lathe or CNC machine.

Absolutely ridiculous.

And so, Nick Bostrom's total surveillance required, starts

https://nickbostrom.com/papers/vulnerable.pdf

Actual shootings with 3D printed guns are relatively rare but it’s come up because Luigi Mangione killed the United Healthcare CEO with one.

is it because guns are easy to get without printing?

Because it is possible to print molds for cast iron, I wonder what else you need beyond that (although, don't indulge me if the topic is going in the illegal direction).

The 3d-printed hybrid FGC-9 is readily and commonly made all over Europe[0]. Most notoriously exhibit by 'jstark' in Germany[1]. Ammo is no problem, as can be made with off the shelf components available in EU[2]. And fairly reliable, if not oversized, 9mm pistol, primarily printed except with an ECM machined barrel that is easily DIY'd by 3d printing a mandrel for the rifling electrode and a simple bolt. A really nice gun all things considered for people with no other options, that can be built quickly using simple instructions.

[0] https://en.wikipedia.org/wiki/FGC-9

[1] https://www.youtube.com/watch?v=ygxGrxCEOp0

[2] https://odysee.com/@TheGatalog-Guides_Tutorials:b/BWA-Ammo-V...

Could be the way guns are defined in UK are different. There is a fundamental problem in US law specifically, that you can purchase legally nearly any part of a gun separately, but only need to register the lower receiver. These are parts that take very little stress and can be relatively easily printed and used to hold together all the other parts that actually hold the stress of firing the bullet.

This is at least true for some specific rifles, where there’s a whole industry around selling unfinished receivers that are relatively easy to mill down with common machining tools to be able to assemble unregistered rifles.

My guess, is that these bills are a knee jerk reaction to constituents who’ve seen some tik toks talking about this. Though the conspiracist in me thinks that it’s mostly an excuse for control. This means, this bill is also coming for the UK too…

Is this even a problem that needs to be solved? How many people have 3d printed guns and used them?

Preemptive regulation is absurd.

Few people would bring an illegal firearm into NYC or other major US metros because a) the penalties in most of those cities and states can be brutal and b) it's not that difficult to acquire a legal firearm in most cities. If someone's smuggling a gun it's likely because it's just a small part of more varied criminal activity. Or because they did it by accident.

Also, I find it unconscionable to suggest we should allow home manufacturing of automatic weapons without even engaging with possible ways to stem that tide.

i personally wouldn't described teenagers killing each other with luminous green hunting knives as a 'weird panic' but perhaps something that needs a lot of attention and a multitude of steps to solve. banning these insane weapons is, would you believe it, one quick step that might help.