The Vessel - Heatherwick Studio (Grasshopper script & Rhino3D)

Thomas Heatherwick the Vessel

Designed by Thomas Heatherwick, Vessel has 154 flights, 2,500 steps, and 80 landings, with the total length of the stairs exceeding 1 mile (1.6 km). The copper-clad steps, arranged like a jungle gym and modeled after Indian stepwells, can hold 1,000 people at a time.