I noticed CUI has an encoder that provides comutation signals for BLDC motors:

Left is cheap; right is Omron.

Top is cheap from Amazon; bottom is Omron from Mouser.

Most of the 3d printed parts were done on my Makergear 2. It did them without any issues, which was nice.

I started printing things on a Formlabs Form 3 but it’s work volume is too small for the bigger pieces and it is kind of overkill. I did print a few t...

I broached all of the gears with a little setup. The arbor press was too small so I had to improvise with some steel rods and a C-clamp:

Using my sensitive drill press to drill the set screws:

OK, it is driving me nuts that this blog is rotating my pictures but provides, at least on my iPad, any means to rotate them into a reasonable orienta...

I found it very handy to store parts in an orderly way as I do the build. These cases are nice because the storage bins are removable boxes:

Current state of things:

Third axis and wiring for J1, J2, and J3 almost done. Waiting for some keystock before greasing and covering up the chain drive.