Patent ID: 8426010

Claim:
A structural element comprising: a continuous layer comprising a set of first main-faces defining a first surface and a set of second main-faces defining a second surface and the continuous layer extending between the first surface and the second surface, wherein along a first direction, the first main-faces and the second main-faces alternate in order and are connected by first side-faces; along a second direction different from the first direction, the first main-faces and the second main-faces alternate in order and are connected by second side-faces; and along a third direction different from the first direction and different from the second direction, a pair of neighboring first main-faces is connected by a first bridge-face, and the first bridge-face is connected to neighboring second main-faces by first bridge-side-faces, and wherein at least one of the first bridge-faces provides a planar two-dimensional contact area to the first surface, and the first main-faces and the planar two-dimensional contact area of each first bridge-face are coplanar.