Crop?image_url=http%3a%2f%2fs3.amazonaws.com%2fproduction.calumet.good.is%2fbookmarks%2fphotos%2f000%2f187%2f079%2foriginal%2f02_20_2013_3d-pen

This Plastic-Printing Pen Lets You Draw In 3D

3D doodling...

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