Question: Put a Lazy Susan turntable inside of a kitchen cabinet.
Option 0: Place the Lazy Susan hardware in bottom shelf of cabinet.  Cut tabletop shape out of wood that will fit your cabinet in all directions.  Attach tabletop to top of Lazy Susan hardware.
Option 1: Mount the Lazy Susan hardware to bottom shelf of cabinet.  Cut tabletop shape out of wood that will fit your cabinet in all directions.  Attach tabletop to top of Lazy Susan hardware.
Answer: 1