1 Funicular tension triangle under single load

2 Funicular compression triangle under single load

3 Funicular tension trapezoid under twin loads

4 Funicular compression trapezoid under twin loads

5 Funicular tension polygon under point loads

6 Funicular compression polygon under point load

7 Funicular tension parabola under uniform load

8 Funicular compression parabola under uniform load

**Vault**

IBM traveling exhibit by Renzo Piano A series of trussed arches in linear extrusion form a vault space The trussed arches consist of wood bars with metal connectors for quick assembly and disassembly as required for the traveling exhibit. Plastic panels form the enclosing skin, The trussed arches provide depth and rigidity to accommodate various load conditions

**Suspension roof**

Exhibit hall Hanover by Thomas Herzog