Mural is a DIY wall-drawing machine that uses markers to create wall designs. The creator wanted a cheaper wall plotter that could turn walls into canvases. So, he built Mural as an open-source ...

The machine frame is made from 3/4″ MDF and was cut on [FreeRider’s] first router, the JGRO. Notice how all the holes are counterbored for the many bolt heads. It is clear that much attention ...