MyShowerHolder
thingiverse
I have design another shower holder that fits the following requirements: - shower stick with diameter of 25mm - shower neck with variable diameter from 22mm to 20mm in a upside down conic shape Use M6 nut and screw (50mm length) and you can print the flat knob from https://www.thingiverse.com/thing:624136 (mowi), at least this is what I did.
Download Model from thingiverse
With this file you will be able to print MyShowerHolder with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on MyShowerHolder.