How to Build a CNC-Milled Orrery

Ken Condal’s fantastic orrery took ten months to build and contains 30 gears. He began his work by modeling the orrery in 3DS MAX, then milling out all of the brass gears in his workshop. He also created the planets on a lathe using exotic wood, like using zebrawood for Jupiter. The first video demonstrates the orrery, and the second one condenses 7 months of work into 7 minutes. If you’re interested in all the details, Ken’s videos walk through every step. [via CNC Cookbook]