2016 Printrbot Simple Spool Tamer

Add-on accessory for the 2016 Printrbot Simple (now called the Simple Pro). This part goes over the aluminum spool holder, and prevents a spool from getting pulled towards the Z-axis. We found on our first print that the cardboard spool had ridden over to the z-axis and got stuck when the printer brought the z-axis all the way up.

There is a slight curve to the part touching the spool, so it will need a little bit of support.