clipped from: freshome.com   
House Cube

the backpack house is a walk-in sculpture with their own spatial quality: a floating, lighted room, as a temporary scaffolding and a “minimal sculpture” also appears. Universally used as a mini-backpack, this house adds extra space at the front of each residential building attached

Cube

Cube House Architecture

Cube Home

Hang House

Inside House

Attach House

consists of a welded steel cabin, using steel cables on the roof or on the facade of the existing house is attached. The sculpture consists of a cube-made element with the dimensions width 2.50 m, 2.50 m in height and 3.60 m deep. The height of the top floor of the cube element is approximately 10.50 m, and the total weight of the sculpture is approximately 2.0 t. In conclusion if you want an extra room for your apartment this might be a great idea to take in consideration.