Hyperboloid pencil holder
Turn your pencils into a couple of stacked cooling towers, very cool(ing)
I got the idea from a suggestion by relet http://www.thingiverse.com/relet
Tags: desktop holder fushigi geometry hyperboloid math openscad pencil pencil holder
makeAfind - Is a website to make a find in the amount of 3D modell, 3D design, 3D thing, 3D Print and 3D Printing Portals.