Prolific maker and product designer [Eric Strebel] has years of experience making reusable mold boxes for silicone and resin casting. He’s always used 3/4″ plywood before, but it comes with some ...

Captive, or self-retained, nuts are multiple-threaded fasteners used on many thin materials. They are good in blind locations, and can generally be attached without damaging finishes. Captive nuts can ...