Originally shared by Mauro Manco (Exilaus)
ringrap mmmm 97% complete granty for accept 2 @igus bar and extruder in middle.
- need remove some faces
- and slim it for no lose too xy space
- add meccanical endstop on it
I published a similar design for 12x1mm tubes. 
nice but i order bar and blushing and want use it , little flex issue no stop me