CoreXY drawing machine

Work In Progress!
Update 13/12/19
Printed, assembled and updated the files -some holes were not punched through 100%, some were too small. Ammended the pen holder - still printing that. Bobbin is bigger and (hopefully) better.

Update 12/1/20
It's alive!
https://youtu.be/2IgQq5x9M7o
https://youtu.be/psxK2np8kmM

Using grbl on Arduino Uno, configured for CoreXY! A bit of faff with the steps per mm bit getting there slowly

Update 09/02/20
Fixed height of rear line guide wheel, was a couple off mm too high.
Updated the pen holder to accommodate a solenoid and 12mm linear rail
Pen lift not yet implemented
https://www.youtube.com/watch?v=fE5zl0wz-WM
https://www.youtube.com/watch?v=KOvNsKZZz60

Update 19/02/20
New X-Carriage means a hot swap-able tool head with minimal fuss.
New pen tool head gives more clearance between linear rail and solenoid - better solenoid fixing.