CupHolder
thingiverse
My daughter made this out of cardboard to hold 8 cups. I used TinkerCad to create it for our printer as cardboard tends to dissolve when wet.
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With this file you will be able to print CupHolder 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 CupHolder.