This 2-piece ring was designed to fix a cracked showerhead ring
fits Gardena irrigation sprinkler type 18311-20
May fit other models
The metal showerhead should be removed from the original ring.
The base ring goes onto the sprinkler, and the secondary ring holds the showerhead.
I printed mine in black ASA 0.16mm on a Bambu X1
The author marked this model as their own original creation.