Stacker
thingiverse
I looked at other stackers on the site but wanted something that resembled the old stackers that my little sisters played with 50 years ago.
Download Model from thingiverse
With this file you will be able to print Stacker 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 Stacker.