The purpose of the project was to design a shaft that can park two cars in the garage for the families.

The information was gathered from the Internet, lecture materials, and measuring the family garage in China. It was difficult to design the structure of the shaft, actually we design three different structures for the shaft were designed, and was chosen the one that can let the door of the garage open or close as normally.

The final result of this thesis was to help the families to park two cars in the old garage, which could only park one car before. The families can get more space to use for other things.