Folded Contrabass Recorder

While not yet sufficiently playable to use to play music, this proof-of-concept folded contrabass recorder will produce a tone and gets within a couple of steps of the intended F2 fundamental pitch (88 Hz).

The bore diameter, length, vent sizes, and vent locations along the bore length were simulated with INRIA's OpenWIND python module. The finger-distance and print-volume constrained bore route was produced by my BoreOpt.m MATLAB script. This GitHub repository has the source code for these:
https://github.com/thecowgoesmoo/openwind

Actual mouth height, edge, and windway dimensions for the mouthpiece are not currently modeled by OpenWIND. Further, I have not had sufficient success designing recorder mouthpieces solely from methods like Ising's number (which gives an indication of which harmonics of a bore will be available for given windway+edge geometry). Forced to still use some iterative design, the mouthpiece included here is modular. The windway or ramp may be printe