Classes
 ClassDescription
 Box ...
 Cube Cube
 Ground A plane that lies on the ground ;)
 KeyframeMesh KeyframeMesh provides framework for objects that have keyframed animation.
 Line3D Line3D, a simple 3d line between two vertices
 MD2 
 Mesh Basic object for every 3d object that contains faces
 Object3D Root class for every 3D object.
 Plane A plane
 PointCamera A simple pointcamera
 Ribbon 
 SimpleCube A simple cube with 12 faces
 Sphere A sphere
 Sprite3D Sprite3D represents a sprite in the 3D world.