Snake lattice · from flat to dome or saddle

Change the joint angles span by span and the flat lattice becomes a dome or a saddle

Two ways to choose the change. Two levels: one value for the inner spans and the opposite for the outer ones, up to ±30%. Optimized: a value per span, fitted to a target surface. The last switch shows the same case with the crossing springs as they were before the fix, when the model was not four-fold symmetric.

Lattice
Spans
Design
Crossing springs
Ramp
Bias load
Curvature change
Shape
Lattice
Crossing springs

Equilibrium of the lattice

Drag to rotate · scroll to zoom

What the change does to one free span

at restthe span that extends mostthe span that contracts most

How the lattice responds

The vertical line follows the slider. Click a chart to jump there.

Height of the crossing surface

Principal curvatures of the crossing surface

largersmaller

What to notice

    Every step as a table