It has 3 usb compartments, 7 compartments and 2 drawers. 
You can put pencils, scissors and other pens in the larger compartments. In the drawers you can put paper clips, rubber bands and whatever else you need. You can also put in 3 usb sticks.
It only has 3 files in total. 2 drawers and 1 complete desk organizer, it does NOT need supports. you can use them to improve the stability. the drawers need supports.
if there are any errors, please let me know so that i can improve it. 
Have fun with the model!