The Ultimate Spool Holder i3 mod

I took delivery of my new i3 Mk3 and it comes also with the new spool holder, but, it didn't really fit and so I decided to look for what else there is out there on Thingiverse.

I really liked the TUSH - The Ultimate Spool Holder design https://www.thingiverse.com/thing:2047554, but, it needs to sit on a flat surface so I modified the design to fit on the i3 frame. I see there is already a suitable remix of the design https://www.thingiverse.com/thing:2539560, but, it keeps the same fixing design as the original Prusa spoolholders - which break when moved around / has additional complication of four parts plus added bolt fixings.

There are also other frame mounted designs; like https://www.thingiverse.com/thing:1808192 and https://www.thingiverse.com/thing:1832235 which seem very good, but, they don't have the simple elegance of the TUSH design.

If you print 2 off the regular v2 and 2 off the re-mix v3 then these snap into the 608 bearings and mount on the frame without any s