I’m trying to animate a light beam going through a lens, like focusing sunlight through a magnifying glass. Howver, when I try to apply a “point” to the beam by modifying the light beam mesh (and hitting Ikey at a frame downstream to apply a keyframe), the change is applied from the very first frame. In other words, I’m trying to animate an extrusion & scaling starting from a specific keyframe and not throughout the whole animation. What am I missing? In general, how do you animate changes to a mesh, other than just movement?