Torque Testing 3D Printed Screws

Unless you’ve got a shop with a well-stocked hardware bin, it’s a trip to the hardware store when you need a special screw. But [Sanford Prime] has a different approach: he prints his h…

Remove Wall Plugs Fast With A Custom Tool

The best thing about buying your own home is that you can hang things on the walls. It’s a human right all too often denied to renters the world over. Regardless, five years later, when you&#…

The Nuts And Bolts Of Nuts And Bolts

If you’re a mechanical engineer, the material covered in this video on the basics of bolted joints probably won’t cover any new ground. On the other hand, if you aren’t a mechanic…

Renaissance-Style Drone Would Make Da Vinci Proud Four Times Over

For as much of a genius as Leonardo da Vinci obviously was, modern eyes looking upon his notebooks from the 1400s tend to see his designs as somewhat quaint. After all, his concept of a vehicle arm…

Better Mousetraps (or Screw Drives) Don’t Always Win

I’ve noticed, lately, that slotted screw heads are all but gone on new equipment. The only thing that I find remarkable about that is that it took so long. While it is true that slotted heads…