We need 3dprinting of mines, claymores, grenades, and more.
Guns and magazines are hardly enough.
“We need 3dprinting of mines, claymores, grenades, and more.”
It is the detonators and explosive fillers for the above that are difficult. The bodies are not very hard to make.
Hand grenades, using black powder, are a 17th century technology. I have a fragment of a 17th century hand grenade. The privateers of the Carribbean made their own. Do a sand casting of cast iron of a three inch hollow ball. Fill it with fine black powder, and put a fuze on it.
Grenade.
Getting the fuze just right is a difficult part.
Before the U.S. cracked down on freedom of the press, you could buy printed books with details on how to do it. Now you have to go to the Internet.