2019-12-04 (W) PhonoMug

Each Thanksgiving, I make a simple project for a couple of my cousins that they can take home with them. It is science/maker related, and this year, I wanted to make something that could demonstrate how some musical instruments generate sound. One-and-a-half years ago, I made TineBox, which was a cross between a finger piano and a cigar box guitar. Some of the concepts for this year's project come from TineBox, but I did not want to rely on something that needed a cigar box.

This year's brainstorming resulted in PhonoMug, which uses tines, but instead of requiring a particular cavity, this one will be able to move around. I hope people can experiment with different things, like a coffee mug, drinking cup, wine glass, or just hold it in the air.

Enough background
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I made a few sketches that illustrate how I plan to make a circular plate with a soundhole, like an acoustic guitar, and suspend tines over the device with a few layers. Everything will be cut on a laser cutter, so I will probably make a few iterations.
Sketches of a reed holder to fit on a mug

After the paper sketches, I drew up plans in CAD and converted them for the laser cutter. The red lines are, for cutting and the yellow lines are to make a small score on the surface. The angled scores in the arc pieces are to form little grooves to keep the tines pointed in the correct direction.
Draft of parts

The rest of the posts for this project have been arranged by date.

First time here?

Completed projects from year 1
Completed projects from year 2
Completed projects from year 3
Completed projects from year 4
Completed projects from year 5
Completed projects from year 6

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2019-11-05

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