def=sets the length of a primitive mesh (works for predefined primitives).

Flash3DInstance..primitive.setLength(primitive, amount); &sam=

//makes the cube primitive into a long rectangular box

myWorld = new Flash3D(270, 200, 0);

myWorld.primitive.setLength("cube", 200);

myWorld.newModel("myBox", "cube");

myWorld.model["myBox"].rotate(0,30,0);

myWorld.render();