Polargraph Gondola

Polargraph Gondola to use for polargraph projects.

http://youtu.be/eaJXufifMMw

Inspiration: http://www.instructables.com/id/Polargraph-Drawing-Machine/


The Gondola works great.
Please note that this design requires a bearing with below dimensions (dimensions can be changed if you modify the files)

OD=52mm
ID=25mm
Height= ~13,7mm

I´ve also added a drivewheel (ball pulley) for your steppingmotor chaindrive.