Toy

Abstract

1. Name of the product of this design: toy. 2. Purpose of this design product: for teaching and learning about rotary engines and Leroy triangles. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Use status stereogram 2. 5. Turn the handle on the back to drive the middle gear to rotate, which in turn drives the Reuleaux triangle that meshes with the gear to rotate, causing the Reuleaux triangle structure to rotate around the middle gear, changing from a basic view to a usage state view.

Images