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2016
A new kind of 3D printing uses flexible polymers that can change shape depending on temperature. Image: A 3D flower changes shape due to changes in temperature. (via MIT)   Making useful things with three dimensional printers has been changing a lot of design and manufacturing processes in recent years. There was the kid who made his own braces, and even 3D printed shoes given as awards at a recent athletic event. All of these objects, however, are rigid: they stay the same after the print ...
So I recently was allowed to play with a 3D printer for the first time (fashionably late to the party, I know), and I ran into a little bit of a problem, what modeling software should I use. I was going to do a once off design but for my employer so It needs to be free, actually free, not this "free until you try to print something" rubbish.   What I want to make is a small enclosure for a proof of concept product I created. I have no experience with big commercial CAD packages like Pro En ...

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