Why are shadows not appearing? Why are my shadows not appearing? I did the lever and slight shadows appeared, but I can't figure out why the piston doesn't have any shadows..... I'm using a spot light with a ton of watts and the bg at a strength of 0.
It's not shadow but reflective object for your base:

Despite you use a lot of light source in your scene, non of them actual contribute the &quot;different&quot; for the piston top side.
If you want it to be a little bit more realist, add a bevel modifier to it: