Whirligig Instruments

I've posted details about a collection of whirligig instruments I created. The instruments use generative design techniques and can be produced with digital fabrication tools: 3D printer, laser engraver/cutter, etc. The instruments are designed to make sound when spun on the end of a string. They include bullroarers, whistles and

https://hollandhopson.com/whirligig-instruments/

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