horizontal filament spool holder - ball-bearing filament spool holder

I designed this as a horizontal filament spool holder to replace the vertical out of the box solution of my ANET A8 Printer. This solution work like a ball-bearing, the spool is simply placed on the cone.

The extruder requires less power to unwind the filament because it no longer has to work against gravity. In addition, no chucking of the spool to center is necessary anymore and the power needed to unwind remains constant.

For assembly you need the printed parts and 9 marbles with an o