The Polyes Q1 is a 3D printing pen that uses real ink instead of plastic

Being able to think up an idea and draw it into a 3D form seemed crazy years ago. Pens like the 3Doodler coming onto the market changed all that, and plenty of different versions have popped up since then. As always, some are more successful than others. The only problem with these pens is that they use smelly plastic and heating elements that can get to such high temperatures that ...