Cupholder
thingiverse
This is a cupholder I made to fit on my bedframe in college. It also may work on the drawer of your desk.
Download Model from thingiverse
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.