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Tensegrity Obelisk:  Winter

Tensegrity Obelisk: Winter

Once the vegetation had died back, I felt free to retie the tendons to correct the tilt. I didn't bother recalculating things and just retied tendons until it looked right.

Nylon's memory properties and elasticity make it somewhat difficult to design with. When it is unloaded it still retains a permanent stretch and remains longer than its original unloaded length. A large temporary stress during assembly can warp things enough that the final structure doesn't exactly conform to its computed configuration under the final stresses.

Tensegrity Obelisk:  Summer Introduction