The dynamo was designed as a project assignment in the course 41030 Mechatronics Engineering Design at the Technical University of Denmark, DTU. Apart from the 3d printable parts, it uses three roller bearings and a small DC motor (see CAD model, made with Creo 3.0, in the uploaded zip folder).
For an overview of our design process, please refer to our blog at:
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Please refer to our blog: