Starting from unfinished 5/4″ cedar I first planed the board down to ~7/8″:


They were cut into block ~8″ wide and then I could CNC out the center, cut them almost all the way out and run a ball nose bit over the inside edges to smooth:




Here’s a shot at all the various stages:

All 8 were cutout, sanded and treated with Bush Oil:




Final setup with 3d prints from past posts:
