```cs public class RectangularConePrimitive : Primitive { public float width = 1; public float length = 1; public float height = 1; public Matrix4F transform = Matrix4F.Identity; } ``` The base of the cone is centered at `(0, 0, 0)`, and the tip extends upwards to `(0, height, 0)`. > WARNING: the `transform` matrix should only contain rotation and translation operations, not scale. The size of the cone should be controlled via the `width`, `length` and `height` properties