The sonobe module is a simple shape – a parallelogram – with pockets and points that fit together to create a vast array of shapes. The units are study and lend themselves to large projects – like the menger sponge. Here are few smaller projects:

Cubes connected
Colorful connected cubes
For the Summit Art Space “Out of the Box” project
“Out of the Box”, full view
A t-shirt gift box
A sonobe variation
There’s a marble in this one