Waterblock
thingiverse
It's made from a 6mm(~=1/4") thick aluminum and 5mm sheet of plexiglass.
Download Model from thingiverse
With this file you will be able to print Waterblock 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 Waterblock.