This is the UMBs, a modular storage system.
You can print the assemble boxes and the accessories but if you want you can customize-it the way you want it to.
For the prints, i recommend 30% infill and 3 walls and 4 top/bottom.
Support is required in the assembled boxes
All the parametric files are in .STEP and can be easily customize.
Please let me know if have any questions or suggestions.