Imagen1 Published Wednesday October 9th, 2019 at 377 × 504 in Form Finding. Frei Otto, a free man. ← Previous Next → Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)MoreClick to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Pocket (Opens in new window)