Spoolholder for Tronxy X5 with direct extruder conversion

This attaches to the rear of the top frame and holds a single spool of filament to supply the direct extruder as it moves around below. I am using the direct extruder conversion by Kozamaker, but you might use this spoolholder with other direct extruder conversions as well and even on other 3D printers.

I have taken care to enable full use of the X5s or X5sa's 330x330 print area, by allowing space for the cable chain behind the X carriage back plate (which is itself extended to accommodate th