In this Instructable, I will build a Wheel Cypher that was invented by Thomas Jefferson in the early 1790’s. His was made from wood. For this one, I will be using modern technology – a 3D Printer. Hopefully by reading this Instructable, you will learn a little history, learn how to use Google Sket...By: JABA 3D
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from Instructables: exploring - technology - robots http://ift.tt/16c2emW
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