PTFE tube management combs (MMU2s/MMU3/ULTIMULTI/ERCF)

Some PTFE tube combs for better tube management. 
Various shapes and holes.

Created for setting up my new build of an Ultimulti from scratch. Only need a few but I'm sharing these files.

My printing params on my Ender3v2 :

Filament : PLA
Layer : 0.2
Infill : 20% grid
Perimeters : 3
Bottom solid layer : 4
Top solid layer : 5