DEPRECATED: Please see polar 2 at https://www.thingiverse.com/thing:4032809
Polar Printer This is an unfinished Polar Printer, Demo-ed at ERRF 2019
it needs firmware work for homing xy and a better belt system.
I used a 100-1 gear reduced stepper or a belt driven stepper system, as long as no backlash is in the system it will work well. Also, if going with a reduced stepper, use around a 25 to one instead of a 100 to one.
Inspired from Alex's Piper project, zslider IS Alex's design.