PolyBot Effector Base

Now that I'm pretty sure about the way in which I want to hold tools on my PolyBot, I need a single piece effector (tool holder).

This derivative puts the axle mounts on the base plate directly. This makes for a single piece to print instead of the keyed version it derives from.

The axle holes are designed to take a sleeve bearing (OD - 3/8", ID - 1/4", length - 1/2"). It is a very tight fit, and you might need to use a vise to get the sleeve bearings into the axle mounts. Once you do t