Worried about accidentally 3D printing a gun? New software will prevent it

[TheMadMonk]

6. OH FFS. The difference in price between a CNC mill & a 3D printer...

...is essentially zero.

And I GUARANTEE, a far far better, safer, and more reliable undetectable plastic firearm can be made using a CNC mill working with preformed stock, than can be managed using extruded thermosetting plastic.

Using metal stock, virtually anything can be made if your mill has enough axes of freedom.

With careful design, good results can be obtained with a minimum of tooling. A Sten gun can be manufactured using nothing but basic hand tools tools available in occupied WWII France.

Making untraceable firearms really is a pretty trivial task. The threat of zip guns has been with us for a long, long time, and a modicum of care will ensure the thing won't explode in your hand. However, we don't see very many for a couple of reasons. 1) It's generally easier to source a regular multi-shot firearm, than it is to construct a solid single shot zip gun that may not work at all. and 2) The penalty for manufacturing a firearm to be used in a crime is greater than illegally buying one for the same purpose.