A 3d printer for smokeless powder ?
 

Since once i saw people make improvised guns with slingshots, it doesn't impress me to see a gun made with a 3d printer.
The question is: how to make SMOKELESS powder easily (with a 3d printer) ?


http://www.theatlantic.com/infocus/2...rebels/100461/

shoot in a very very windy day :)

A young man works on the production of hand made missiles in a secret factory in Al-Bab, 30 kilometers from Aleppo.


no more secret. ?

the location is secret ;)