OpenBox.shape
SurfaceType ~ ConvexPolygon, InsideVisible
DataSize ~ Vertices: 8, Surfaces: 5
Vertices ~ xyzCoords: triple

1.0  -1.0 -1.0
-1.0 -1.0 -1.0
-1.0  1.0 -1.0
1.0   1.0 -1.0
 1.0  -1.0  1.0
-1.0 -1.0  1.0
-1.0  1.0  1.0
1.0   1.0  1.0

Surfaces ~ vertices: nats

 3 2 1 0     -- bottom
 1 5 4 0     -- front (as seen from negative y-axis)
 1 2 6 5     -- left side
 3 0 4 7     -- right side
 3 7 6 2     -- back