Spool Holder Axle

thingiverse

This spool holder axle is designed to fit many standard top mount spool holders commonly used with PRUSA type printers. Two separate files are available - one for a solid print and another featuring a 5mm clearance hole that allows you to insert a 5mm threaded rod through the center, thereby adding extra strength. Nevertheless, the solid axle appears to be adequately robust even at infill levels of 35% or higher.