There’s no doubt that cheap digital calipers are useful, especially when designing 3D-printed parts. Unfortunately, cheap digital calipers are also cheap, and tend to burn through batteries quickly.

When it comes to woodworking, or any kind of construction, the golden rule is “measure twice, cut once.” The fool’s rule is the inverse, “measure once, cut twice.” When you sit down to do your ...

If you do any kind of machining, 3D printing, or PCB layout, you probably have at least considered buying a pair of calipers. Old-fashioned ones had a dial and were mechanical devices, but lately, ...