Lulzbot Taz 6 - Filament Spool Arm upgrade

This a twist on the Taz 6 stock filament spool arm. I changed the design a bit to incorporate a groove and two indentions that would hold a 3/16th inch or .093 inch half round piece of teflon on the edge of the arm. It is super slippery and works great without a bearing or any complicated nonsense.
I bought a10' long roll of 3/16th inch half round teflon online for cheap... I printed this with a moar struder at high definition in less than 30 minutes with Black NGen. it takes using a sharp