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knob trumpet / concept design

knob trumpet
knob trumpet

People always forget to knock the door, it's a very important manner.
The door knob combine trumpet can make sound when people try to open the door without knock.
It can remind people don't forget to knock the door before you open.

University

Southern Taiwan University of Technology

Southern Taiwan University
Xinying City, Tainan County, Taiwan

Chia Chun Lin

GO TO PROFILE
Design

Southern Taiwan University of Technology

Southern Taiwan University
Xinying City, Tainan County, Taiwan

GO TO PROFILE