Foam Board Shelf

So after getting such awesome results for my ribbon shelf, I decided to make a shelf to put my cartridges on.

Each litttle cube shelf fits four cartridges (8" tall x 6 1/2"wide x 6" deep). The back board is 24" x 19 1/2".   As you can see I don't have that many, but there's plenty of room for me to add some more!! I used the same gluing concept of the ribbon shelf and did my own measuring to how I wanted it.  This will probably get painted to match the rest of my furniture in this room.

Thanks for looking!