The model can be printed without support. You can use the “blank”-version just for color coding the mill or print the salt and pepper variant either with multi-material letters or without.
You can simply put the rings on by pulling out the refill top first.
Link to the mill:
https://www.ikea.com/us/en/p/intressant-spice-mill-acacia-50301897/
The author hasn't provided the model origin yet.