I’m sure we can all agree that the worst time to find out a magnet is the wrong way around is after glue has been applied. With that in mind, [erick.siders] created the parametric Magnet Placer tool.

Some tools, like a cordless drill or a miter saw, are well-known for their usefulness. Other tools are more obscure—but once you have them in your arsenal, you’ll wonder how you ever got by without ...