This is an universal and efficient spool holder for MakiBox. • Compatible with a large number of spools (95mm large) • Spool slides perfectly (no frictions). • Easy to clip and easy to remove. • Smart locking system (do not need to modify any parts of the Makibox) • Easy to print (doesn't need supports and the .STL are in the right position to print on a makibox) • Compatible with STEEL and ACRYLIC Makiboxes. • Open source (Sketchup models downloadable) Video : http://youtu.be/MXfn4V5o8YU