Trap Door 3D model

The trapdoor is a sliding or hinged door on the floor or ceiling. It is traditionally small in size. It was invented to facilitate the hoisting of grain up through mills, however, its list of uses has grown over time. The trapdoor has played a pivotal function in the operation of the gallows, cargo ships, trains.Definition of trapdoor: a lifting or sliding door covering an opening (as in a roof, ceiling, or floor)