Oooooo, a partly finished M4 Sherman tank! This summer, I plan on adding the wheels and supension. This is what I call solid modeling.

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Oooooo, an alarm clock. For this project, I had to reverse engineer a quartz alarm clock, draw by hand every part into a notebook, and CAD each part to make the model below. 

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[[start:classes:principlesofdesign:david_shekhtman| David Shekhtman]]