About this 3D model

Intended to work with the original printed spool holders. No glue required, just press fit 3 x id 8mm od 22mm (608) bearings in each glider and press into the spool holders. Allows smooth spool operation and eliminates any layer lines caused by the extruder tugging on the spool. Fits any spool core larger than 50mm in diameter... Spools Tested:Prusa SpoolsFillamentum SpoolsFilamentive Spools Spools Holders Tested:Original Prusa i3 MK2http://www.prusa3d.com/prusa-i3-printable-parts/Printrbot Plushttps://www.myminifactory.com/object/31030