CoreXY_Plotter

This is another pen plotter. It's on Core-XY system.
https://youtu.be/jkPeM0btZVQ

Firmware: GRBL-servo; https://github.com/robottini/grbl-servo
Control Software: bCNC; https://github.com/vlachoudis/bCNC (Requires: Python 2; https://www.python.org/downloads/ and Pyserial; https://pypi.python.org/pypi/pyserial)
Generating gCode: Inkscape; https://inkscape.org/en/ and Laser plugin; https://jtechphotonics.com/?page_id=1980

Bill Of Materials:
2x 8mm rod for x axis. (I used 400mm.)
2x 8mm rod for y axis. (I used 340mm.)
2x M8 threaded rod. (x axis lenght + 20mm.)
8x M8 washer.
8x M8 Nut.
9x M3x25 screw.
5x M3x30 screw.
6x M3x15 screw.
12x M3x10 screw.
22x M3 Nut.
32x M3 washer.
1x Ballpen spring.
GT2 Belt (1600mm on my machine)
2x Nema 17 Step motor.
2x GT2 Pulley (I used 20 tooth)
8x Lineer bearing LM8UU or LME8UU.
2x Lineer bearing LM6UU.
2x 6mmx60mm rod.
10x 623zz bearing.
30x 2.5x100 Cable Ties.

Electronics:
Arduino UNO R3. (I used cheap clone.)
CNC shie