Tensegrity Model: A sculpture of 4 pyramids

The glass tensegrity model is a sculpture which embraced 4 stable smaller pyramids. Each of them consists of 4 glass tubes and 12 cables. A new small pyramid in the middle of them. The interior steel bars in each tube not only increase their compression but also make the tubes connected to each other by rings, which is pinned to the bars.16 glass tubes and 60 cables. All tubes are pre-stressed with interior steel bars to guarantee their compression during construction process. Every glass element is pin-ended with a stainless-steel piece. The sculpture was first built as a simple and early model with wooden tubes.