In the past few years, we have covered plenty of cool drawing robots. VISION happens to have wheels though. It is not only an educational robot but can be transformed into a laser engraver for food, leather, and everything in between.
The robot has a fully aluminum frame and runs on battery for 6 hours. It has a drawing speed of 6000mm/minute and moving speed of 8000mm/minute. It supports SVG,DXF, and GBR formats. Expected to support iOS/Android devices in the future.