Maze bolts, a bolt which has a maze along its shaft traversed by a pin on its nut, are great fun. Here’s a really beautiful metal version by [Robinson Foundry], made by a process more makers should ...
The innovative 3D printing materials company MadeSolid-- maker of recyclable, ABS-like PET+ filament -- is now selling an investment casting resin for metal parts. The company says the resin costs a ...