PrimoGraf Drawing Machine by LEAFpdx.com

The Primograf is a hand cranked drawing machine. It is a visual investigation of the harmonics between gears with prime numbers of teeth. Primografs are handcrafted from walnut, basswood, and brass. There are 6 gears and 4 rods which are all interchangeable for near infinite variations.

Видео PrimoGraf Drawing Machine by LEAFpdx.com канала myopiacamera