A while ago I figured out how to make this big wooden screw on the metal lathem now I want to make an even bigger one I'm starting with a chunk of birch firewood which is just the right length. And my ...

[Rudi Schoenmackers] has devised a clever set of custom 3D-printed jigs that makes it easy to build your own wooden hex nuts and bolts. Well, easy if you have access to a woodworking shop with a ...