Eraser ball (3DP)
I love the shape of these vintage erasers. When I saw a whole bag of them for only 99 cents at Office Depot, I had this idea for a little office toy. 3D printing fanatics, here is my gift to you. STL Model You will first need to download this .STL file, and send it to print. Find a 3D printer ...By: Patenteux du Nord
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Source : http://www.instructables.com/id/Eraser-ball-3DP/
Added : 2012-02-22 19:00:25