So my polargraph had come to a halt, i had it running a processing sketch on a pc, and extracting shade data from images one pixel at a time. it had some cooool effects, im really happy with it but its time to move on.
I found i can convert a line/vector drawing to GCode in Inkscape, and as GCode is pretty much THE standard for opensource CNC it seems like the logical thing to use!
As before, this is a project for myself so im CERTAIN i havent gone about this the most effecient way (using a pre existing sketch would be the easiest option!) but its a learning process!