Respiratory trainer (transparent)

Abstract

1. Name of the design product: Respiratory trainer (transparent). 2. Use of the design product: Fitness equipment for respiratory training. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Perspective view 1 of Design 1. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: In Design 1, the part at C, in Design 2, the part at D, in Design 3, the part at A, and in Design 4, the part at B are all made of transparent materials.

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