Geeetech Prusa i3 Pro B Spool holder (acrylic frame)

This design is meant to be used on Geeetech Prusa i3 Pro B acrylic frame. The two "branches" has to be set on both sides of the LCD screen.
I have been using this for 1 month with 1kg spools and it perfectly supports it.

Works nicely in combination with https://www.thingiverse.com/thing:2070272


WARNING: As the left part is near the LCD screen, it will block access to the SD card slot. So you will have no choice than to print things from your computer or a Raspberry PI with OctoPi (the