We never realized it, but extrusion-based 3D printing is quite similar to traditional methods of making ceramic pots. In the ancient method, a roll of clay is set in a circle, then another is affixed on top, gradually building up the object into a full pot. Sound familiar?
"Michigan Tech Sponsors A 3D Printers For Peace Contest: Now that Defense Distributed is on the defensive, it’s... http://t.co/uxSIQ2RVtz" — 3dprintplan
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