Replicator 3mm acrylic side panel spacers

These spacers fill the 2mm gap between the washers that hold the side panels in place. Without these, your 3mm side panels rattle around loosely, are not flush, and can be noisy.
This is for anyone who has 3mm side panels on their Replicator, i.e., http://www.thingiverse.com/thing:23386