For an upcoming project, we needed a large, 1-3/4” thick piece of solid black walnut. Wood like this isn’t something you’ll find just anywhere, and when found, it’s rarely in the dimension you need.

We’ve seen plenty of motor projects, but [Jeremy]’s DIY Tubular Linear Motor is a really neat variety of stepper motor in a format we certainly don’t see every day. It started as a design experiment ...