Pick one to open it in the calculator, or read the Examples guide to see how they work
Getting started
The classic first truss — a simple triangle
2026-09-13
Typical trusses
Four classic truss layouts, same span and load
Warren truss
Three triangles, one load — every force a whole number
2026-09-25
Cat
A truss shaped like a cat
Spinning demo
Warren trusses arranged in a spinning circle
Pinwheel
A burst of rods pinned at their far ends
Spaghetti bridges
Two half-arch bridges, shaped like half a bike wheel
Unstable trusses
A collection of structures that are all unstable
Sneaky instability
Enough supports, yet still not stable. Why?
2026-09-16
Buckling gallery
20 columns, each loaded to right about 100% buckling utilisation
2026-09-14
Overloaded truss
A Pratt truss with members failing in different ways
2026-09-15