Spool holder filament guide

This is a spool holder filament guide accessory item that can be attached in the inner side of the spool holder, pass the filament through and prevent any tangles due to loose filament on the spool. This is quite useful especially when the spool is at the beginning. The filament can be pulled from any direction since the guide can rotate freely. The design is modular and consists of the main holder bracket and the guide element. There are two versions of the guide, one shorter for normal 1kg spools and a longer for > 2kg spools.