Screw-down tabletop axle stand for MMU2 Auto Rewind Spool Holder

Universaljoint made great axle stands that can be srewed down for the really nicely designed auto rewind spool holder of Vincent Groenhuis. The designs are here:

Axle stand: https://www.thingiverse.com/thing:3227387
Rewind spoolholder: https://www.thingiverse.com/thing:3252111

The single stand as made by universaljoint can be printed flat, however the stand for the double axles cannot without supports.

So I just quickly cut of one side of the double stand and rounde