A simple stackable storage system with wooden doors style, simple and easy print.
 

This is part of My ongoing Stackable Series, you can find links below and stack them as you want.
 

-Shutter Door box: https://makerworld.com/en/models/218307#profileId-254321
-Wooden Doors Box: https://makerworld.com/en/models/460414#profileId-368873
-Tilt Doors Box:  https://makerworld.com/en/models/463242#profileId-371738

-Drawer Box: coming next.
-More ideas will be coming soon.
 

Just a simple print and assemble with no need to use screws.

Print the connecter STL file to connect other boxes from the stackable series.
 

i left a fitting test for the frame to test the assemble before spending hours on the Case box to see if your machine tolerances and suitable for the print.
 

Enjoy.