No Mutants Allowed

All scientific breakthroughs first happen in the military sector. Immediately afterwards? Sex-related applications. No more having to order realistic sex dolls from ebay and expose your secret waifu and fetishes to the world. Oh no. Now you can satisfy your hormonal-driven needs to your (sick) specifications from the comfort of your hidden sex dungeon with 3D printing!

I don't give a shit about 3d printed vaginas, I worry about getting shot with a 3D printed gun in a plane.

True. I'd hate to get shot by a burglares that had one.

You poor scared rabbits. So afraid of being shot when you are more likely to die while driving to work.

1) US recently has more gun violence. But you aren't in the US.