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Converting a drawn image to a 3D print

Just when I think it's time to cancel Facebook, I find an awesome group of librarians who have inspired me. The group is called Makerspaces and the Participatory Library .  I have always considered 3D printing to be something that students in upper elementary and beyond could bring their designs to fruition with the aid of Tinkercad but what about a 5 yr old? In the Facebook group, I just saw this post that any black and white silhouette image could be flat printed on a 3D printer. The steps really are that easy. Now anyone who could hold a Sharpie could make something.  The mystery of how someone could easily draw curvy lines in Tinkercad has been solved! I had always imaged that they made it in AutoCAD and it was a very involved process.This is one problem with being self taught in things like this. Sometimes you learn the hard way before the easy way. Step 1: Draw figure, try to smooth out the edges of the outline and take a picture. I free handed the drawing so it...