Figure2.5 Form-Finding Experiments Conducted by Frei Otto and Bodo Rasch at the Institute for Lightwieght Structures
a. Soap film in a wind tunnel; b. Pointede Tent Soap Film; c. Suspended Net Model d. Plaster and Fabric model (inverted) for vault
formation; e. Chain inversion for the formation of groin vaulting. (Image: Freo otto & Bodo Rasch. Finding-Form, 58-63.)