BrachioGraph - the cheapest, simplest possible pen-plotter¶
BrachioGraph - arm-writer - is an easy-to-build pen-plotter, driven by a library of simple Python applications.
You can follow BrachioGraph on Twitter.
The plotter is made of:
- two sticks
- a pen or pencil
- a clothes-peg
- 3 servo motors
- a Raspberry Pi, to drive the servos and run the custom code
Total cost: ~€14
From bitmap to plot via vectorisation¶
Improve the calibration, process images, visualise plotter behaviour, alternative designs