The “Four Circles” of the Violin: Generalising the System

No ruler required, just a compass and a straight-edge.
The missing fifth waist circle/line
Each of the different colours corresponds to a unique circle, with its radius a function of the lower-bout radius.
The corner construction lines.
The corner circles (in orange, purple, and teal).

I’m Eshka, an aspiring flight instructor and full time aviation enthusiast.

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