To replace the broken shower, a new one was purchased at the nearest hardware store.
Unfortunately, It did not come with a holder for wall mounting.
The holder was drawn in SolidWorks. Cuts in holder corresponds to the shape of the shower head and fits into the holder freely. There is a hole at the base to drain remaining water. The hole for the mounting screw is deep, with a margin.
Material: PET-G
Layer height: 0.3 mm
Additions: NO
Infill: 100 %
Supports: NO
Temp., nozzle: 235 C
Temp., bed: 70 C
Cooling: 50 %
Speed: 135 mm/s