Of course, the pen or the servo horn slides ... We can tell [DAZ] likes to make motion-based projects. We also thought this reminded us of a whiteboard plotter we saw recently.

The BrachiGraph project consists out of two parts, the hardware design for a servo-driven drawing arm (pen plotter) and software utilities (written in Python) that allow the drawing arm’s servos ...

A type of pen plotter that wraps the paper around a drum with a pin feed attachment. The drum turns to produce one direction of the plot, and the pens move to provide the other. The plotter was ...