VRML в примерах.
#VRML V2.0 utf8
Transform {
children
Shape{ appearance Appearance { material Material {}}
geometry Extrusion{
crossSection [ -1 0, -0.7 -0.7, 0 -1, 0.7 -0.7, 1 0, 0.7 0.7, 0 1, -0.7 0.7, -1 0]
spine [0 -1 0 , 0 1 0 ]
orientation[0 1 0 0, 0 1 0 3.14]
}
}
}