Seeing a picture of 30 St Mary Axe, widely known as The Gerkin building in London, i wondered how the frame could be modelled in PTC Creo.
A few minutes of observation followed by some fiddling came up with right and left handed helical sweeps patterned around a common axis. A revolved ring connects the ends at the bottom. See if you can come up with another method of modelling the frame.
The PTC Creo model is attached. Does anyone with a 3D printer fancy printing one and posting a picture?
