How Wood Hardness is Measured

Janka test

By , 03/26/2012 @ 6:55 am= | Full size is 908 × 579 pixels


I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and makezine.com. My work has also appeared in ReadyMade, c't – Magazin für Computertechnik, and The Wall Street Journal.

smragan.com

Etsy

shapeways

Thingiverse