Zheng3 Penny Ballista
This nefarious device can easily launch a U.S. penny across a room when printed at 1:1 scale.
It's the first upgrade many Seej players seek when they need a little more oomph than the Zheng3 Penny Catapult can provide.
Seej is an open-sourc...
Tags: 3d makerbot seej toy zheng3
makeAfind - Is a website to make a find in the amount of 3D modell, 3D design, 3D thing, 3D Print and 3D Printing Portals.