Two spools Holder

This is a two (2) filament spools holder. It can easily be extended for more than two (2) spools.InstructionsPrint:2 x top-support.stl2 x middle-support.stl4 x Prusa i3 spool holder middle bar.stl2 x 8 mm rod filament guidesTo assemble it as shown on the pictures, you will need:to print 2 universal spool bushingoptionally 4 x 608ZZ bearing model (if you do not use real bearings)4 x 608ZZ bearings or bushings16 x 5/16" or 8 mm washers16 x 5/16" or 8 mm nuts2 x 16" (40 cm) 5/16" or