1x1x1ft square shelf as a space coulpler at the rear wall

[hugo_inside]

what about a square shelf to put at the back of the control room as a space coulpler?

I own 2 units of this model:



And I'm planning to hang it together at the back wall of my control room.

Cubes are about 30x30x30 cm (1ft). The two shelves together will be 120 x120 cm (4x4ft).

Here you have one of them:



Will it work? Could I use it to put books in? Must it be empty?