circle fit tests 6mm to 18mm by 2 steps —

Founded circle fit tests 6mm to 18mm by 2 steps models & stl files for printing
To MK3
Mickelgubben
2Color Octopus
nervoussystem
Spoolholder  Rollenhalter
Die_3Dimensionalen
Cheese press  screw
jack jackovic
Coil holder
Ondrej