About this 3D model
This is a customized spool holder for the Prototype Supply brand filament, available from Toybuilder Labs (http://www.toybuilderlabs.com). Replicator: Use the "r2d" version. Replicator 2; Use the "r2e" version. Replicator 2x: Use the "r2e" version. This spool holder was created by editing the output of woale's Customizable Spool Holder for Replicator 2 -- http://www.thingiverse.com/thing:44906 to make the tongue fit into the slot on the Replicator.