POLAR DRAWBOT

This is my redesign of mechanical parts used to build a Wallmount Polar Drawbot .

I built mine collecting and mixing various information I found available on the web.

The electronics and firmware comes from Dan Royer's "Makelangelo project" (Makelangelo SOFTWARE - Makelangelo FIRMWARE ) using V1 version of Adafruit motor shield but I used an DK Electronics motor shield

I made several test trials using parts found ready around many projects, but none seem to match the requirements I would like to obtain.

So I completely redesign all parts.

Following several tests I developed 3 kind of pulley: one is to be used for smooth cords and others for synchronous trasmission made with ball chains.

3 types of ball chain can be used: Ø 3,2 mm all metal chain with pitch of 4 mm , Ø4,4 mm plastic ball and cord with pitch 6 mm, Ø4,4 mm plastic ball and cord with pitch 12 mm

They can be used interchangeably, just remember to change pulley diameter in the machine s