https://i86.photobucket.com/albums/k106/jims_03/IMG_0002-11-1.jpg I'm just an old retired machinist so I don't have CNC lathes to play with so all these parts were made on a old Logan lathe and all tools were ground by hand with a bench grinder and lapped on the Logan using grit from the grinder mi...
I am going to make some more cubes with a ball in a ball in them. In fact I am going to try to make one with 3 balls in it. I don't know if I can
hand make the form tools small enough but it will be fun to try.