This is the plan for a set of pan pipes.
The other models found did not take into account that a tube less than 7 times the width of the opening will not make any sound.
A 2mm thickness of the pipe will prevent any "leaks".
The parametric version allows you to change the notes used.
I cheated a little using numbers in inches converted to 10 milimeters each (where a C pipe should be 6 inches long, it's 60mm on this model)
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