Mechpen is a drawbot. More info here: https://tinkerlog.com/2019/08/27/mechpen/
Processing sketch to load SVG files, scale and move them and export them to gcode. Also hatching of separate paths is possible.
This is a simulation of a SCARA robot arm. Main purpose is to see how the math works (forward and inverse kinematics).
Processing sketch to draw alps panoramas (3^3 = 27 panorams). Drawing is saved as SVG.
Processing sketch to draw wavy spirals. Drawings can be saved as SVG.