The Credit Card-Sized Drawing Robot
Drawing robots are usually pretty large, so you might see one sitting on a desk, but fitting one in a backpack or pocket isn’t very realistic. This is because these machines generally work on principles similar to those of 3D printers. The motors and sliding arms they rely on take up a lot of space. But is that the only way to build a drawing robot? Of course not! It is perhaps the most straightforward approach, but there is always another way.
Hardware hacker Dorian Todd recently came up with a very creative design for a drawing robot that is unlike anything else out there. It is much more complicated than other robots, so it may not be right for every use case, but when size matters, Todd’s PenBot Mini is hard to beat. The unique design gives this robot a footprint roughly the size of a credit card —...
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