About this 3D model

This is a spacer to center SainSmart brand spools of plastic for my Simple Metal Spool Holder available here: http://www.thingiverse.com/thing:322923 . Fits these roles of plastic: https://www.amazon.com/s/ref=nb_sb_noss?url=srs%3D5299213011%26search-alias%3Dspecialty-aps&field-keywords=1.75+filament . It should also fit any spools with an inside diameter of around 48.5mm. . I also made spacers for Printrbot and BuMat brands of plastic. If you want a customized spacer for your favorite brand, send me the inside diameter of your spool. . Printrbot Brand spacer: http://www.thingiverse.com/thing:381554 BuMat spacer: http://www.thingiverse.com/thing:381557 . Also check out my Simple Metal base: http://www.thingiverse.com/thing:366324