These Tetris ottomans come in various shapes and sizes.
Overall dimensions will depend on the various different configurations and what is chosen.
All pieces come on 25mm button feet.

Large L Shape: 1320mm × 880mm × 620mm high
Small Rectangle Block: 880mm × 440mm × 620mm high
Small L Shape: 880mm × 880mm × 420mm high
Square: 880mm × 880mm × 420mm high