I have 3 layers with 3 objects and 3 cameras.
Layer 1: cube + camera1
Layer 2: uv sphere + camera2
Layer 3: torus + camera3
camera1 is active from 1 to 79 frame.
camera2 is active from 80 to 159 frame.
camera3 is active from 160 to 240 frame.
How can I render only
cube in frames 1-79 ;
only uv sphere in frames 80-159 ;
only torus in frames 160-240
????