Over my 50+ years as a master auto technician, vocational educator and vehicle owner, I learned the importance of a vehicle’s braking systemespecially the calipers. So, I never wait for my brake ...

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 ...

So I’ve assembled a collection of micrometers and vernier calipers of varying quality, and it’s time to dive in and measure some very small things. Some of you will be metrology enthusiasts ...