This is the essay talking about the robot and it's design.

Four assemblies in isometric views.

Views of robot.

The isometric views of the robot with and without wall cover and solar panel.

Outside of fan

Center of fan to hold blades.

Fan and tube assemblies used to pick up and throw trash into garbage canister.

The assembly of all parts of a fan to make the final fan.

Fan blade made and put in a circle for center fan.