We’ve seen several types of specialized art robots before, capable of drawing portraits with a pen, painting them, or even using an Etch-a-Sketch, but [Joris] and [Felix]’s creation seems to ...

Now pick up your pen and draw a little sketch of one, then put the drawing face down somewhere you can’t see it. We’ll come back to it later. Yes, this is a weird way to start your week, I know.

I Tried 3Doodler 3D Printing Pen at CES 2014 and All I Could Draw Was This Terrible-Looking Dog. ... especially if all they want to reproduce is a simple drawing in three dimensions.

Adobe has not, of course, invented the idea of a pen as a digital input device and it is not the first to create a compelling drawing app. FiftyThree, the maker of the wonderful drawing app Paper ...