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... Read more »

Through a DIY Telescope, Brightly

David Pevear with his DIY telescope
(Photo credit: Andrew Terranova)

David Pevear is a retired geologist and life-long maker and fixer of things. He can usually be found puttering about the house, busily maintaining or repairing something. One of his most intriguing projects is his open frame telescope. Read more »