Istanbul Street Parametrics

Spirograph toys for sale at the Sultan Ahmet station in Istanbul,Turkey.

Spirograph patterns generated with grasshopper.

Download the definition here

Chemnitz Stadion

Winning competition entry for the Chemnitz Stadion, Germany, 1995, Peter Kulka with Cecil Balmond





The roof structure is based on a spirograph curve, sketches by Cecil Balmond, from his book "Informal", p. 159

Spirograph.zip generates spirograph curves with grasshopper

Busan Towers

This project is the competion entry of UNStudio for the World Business Centre in Busan, South Korea, 2006. The geometry of the floor plates is based on rolling curves.
Pictures (c) by UNStudio

Rolling curves are also known as spirograph curves.