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.

But some 3D printed pulleys and a very simple-looking core XY arrangement ... why you wouldn’t just mount a pen on it and call it a day? Well, you could do that, of course, but what fun is ...

3D pens are like magic ... The mid-range price in the different models on offer gets you an easy to use pen with an OLED display. You can go more basic or even fancier though, and still get ...

Last May, I told you how 3D printers still aren’t easy enough for the mass market ... and it dices through paper and vinyl. Plug in a pen, and it’ll draw logos or schematics in a flash.