A Blender object may be a Shadowcatcher, becoming an object that only receives shadow rays. Such an object might be used to overlay 3D objects over a real world video or photo. Use this tag for questions about the Shadowcatcher setting and its uses.
Shadow Catcher is an object visibility property found in the Visibility panel of the Object properties in the Properties editor.
Setting Shadow catcher
Enables the object to only receive shadow rays.
Use this tag or questions about the Shadowcatcher setting and its uses.