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Combined with the experience of learning accordion when i was a child , I was attracted by the stretching structure after seeing drinking straw.Therefore , the structure of the sound box designed by the structural characteristics of the above two,a second creation of the inspiration, combines the volume adjustment and the strechable box body.At the same time the length of the handle stick also represents the state of volume, providing a visual cue of the volume.The longer you pull , the louder it gets. When you shrink it, the volume decreases.
School of Software Technology
Zhejiang Ningbo, China