It’s why desktop 3D printers are such a powerful tool ... and the other connected to a standard GT2 belt and pulley to move the pen back and forth. We particularly like the way [Lost Projects ...

If we told you somebody built a 3D printed go-kart, you’d expect to see a certain sequence of events. A bit of work in CAD, a printer montage, then some assembly. That’s not the case here.

This year, the kids want a gift that keeps on giving. Something like Amazon’s hottest 3D pen set, a one-of-a-kind gadget that is completely child-safe, provides hours of entertainment and fuels ...