Airwolf3d Spool shortened

The spool manager that was provided by airwolf3d for printing is AWESOME! Unfortunately none of my current spools have the larger hole they all use the smaller hole. Not a problem! A simple removal of the spool hub and some reengineering of the existing hardware and you are in business.

1. Print the design here and assemble as instructed here http://airwolf3d.com/blog/2013/03/22/download-3d-printer-spool-minder/ except for the large 33mm bolt
2. Remove all of the nuts, washers and bearing w