Curved corrugated board

The material of the curved corrugated board is closely related to the ordinary corrugated board. In the variant that I use the spline shaft is visible. A strong cardboard layer serves as supporting material for a wavy structure of softer cardboard.

Ondulation et Structures V
Ondulation et Rotation III
Ondulation et Structures VI
Series, includes eleven variations
Ondulation et Rotation V
Series, includes eight variations