water level support
thingiverse
Here's a simple setup to back up the water level sensor with a hole for a 5 millimeter water pipe.
Download Model from thingiverse
With this file you will be able to print water level support 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 water level support.