Nezuko box
thingiverse
Upside is open. Use this as a penbox. Visit here to see more things :) https://cults3d.com/en/users/NemoMK2/creations
Download Model from thingiverse
With this file you will be able to print Nezuko box 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 Nezuko box.