3D printing pen takes design community by storm
Printing is breaking new boundaries every day, and with the latest 3D printing techniques comes a much cheaper option for those with a little creativity and a desire to create clever models with just a pen in their hand. The 3Doodler, which contains a mains-powered electric heater to melt plastic that cools as it leaves the end of the pen, acts more like a cake-icing device than a printer, though has become ...
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