Solid Copper Sledgehammer
copper | hammers | making | robinson foundry | tools
Given how soft copper is, it seems like an unlikely material for a sledgehammer. But it sure looks pretty, so that’s probably why Robinson Foundry decided to make one out of the eye-catching metal. To fabricate it, he first created a 3D-printed form for a sand mold, then filled it with molten copper and machined its final shape.
