[Austin Adee] came into some drill bits. A lot of them actually. But when thousands of assorted sizes are delivered in one disorganized box, are they actually useful? Not unless you’re drilling holes ...

Most of us use calipers when working with our 3D printers. Not [Albert]. He has a clockwork caliper design that he 3D printed. The STL is available for a few bucks, but you can see how it works in the ...

While often seen as a specialist instrument, digital calipers are actually easy to use and allow both enthusiastic amateurs and professionals to work and measure with much greater precision than can ...