Hi way-smoke,
Please have a look at the example. I have set the shadow to yellow to see it more clearly. The sphere and the pole cast a shadow. Both are in the reflection of the sphere in the left upper corner.
CV4_2026_drs_25_RSsc_01.c4d
Screenshot 2025-11-11 at 2.12.41 PM.jpg
Screenshot 2025-11-11 at 2.12.53 PM.jpg
more about this:
https://help.maxon.net/c4d/2026/en-us/Default.htm#html/TRSOBJECT-REDSHIFT_OBJECT_TAB_MATTE.html?TocPath=Object%2520Manager%257CTags%2520Menu%257CRender%2520Tags%257CRedshift%2520Object%2520Tag%257C_____7
Is this answering your question?
All the best