RobotDigg Spool holder with 608ZZ skate bearing inserts

I could not find anything on Thingiverse that fit my RobotDigg PLA spools so I made this 4 mm thick spool holder, quick print. With a small mod you could adapt it to fit any 200 mm diameter spools. Fits 21.93 mm diameter skate bearings, nice friction fit with a taper at the back to keep the bearing from being pushed into the spool. The Robot Digg spools Have a 38.14 mm diameter hole. 104 mm from center to base so fits the 200 mm diameter Robot Digg spool. The cross members are a tight fit so t