Makerbot is in the gutter, 3D Systems and Stratasys stock is only a shadow of their 2014 glory, but this is the best year 3D printing has ever had. Machines are now good and cheap, there’s a variety ...

Infill is the slider everyone touches, almost nobody truly understands, and plenty of people blame when a print fails. That’s partly because it looks like a “strength” knob, and strength is an easy ...