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.

A good stud finder is an excellent addition to any toolbox, but if you don't have one and you just want to hang some art, this tip from a general contractor over at Houzz is a money-saver. Get the ...