After the SPUR group was expelled from the Situationist International, they continued to do collaborative work, linking up with Wir in 1966 to form Geflecht. Sturm developed colorspatial anti-objects and had his first solo exhibition in the Galerie van de Loo, Munich.
From 1970 he worked as an Art educator, developing a Child Forum with Galerie van de Loo. In 1975 he set up the Kollektiv Herzogstrasse with Prem. From 1980 - 1982 he was guest professor at the Hochschule der Künste, Berlin, taking over Hann Trier's class. He continued to exhibit across Germany and from 1985 to 1998 was professor at the Akademie der Bildenden Künste, Munich. He still lives and works in Munich.