Woodworking jigs ensure that cuts are straight, holes are plumb and parts are square—among many other things. And jigs are worth the time it takes to make them because you’ll use them over and over ...

Drilling precise grids without a CNC machine can be tough to pull off. [Ookseer] has come up with a nifty method for dilling aligned holes with a drill press. He uses a right-angle jig on a Dremel ...