Recorder v3

*** Update *** Be sure to check out my upgraded design that features a low B-flat hole: https://cults3d.com/en/3d-model/various/recorder-extended-with-bb-hole

Remixed from Recorder v2.3 by cymon: https://www.thingiverse.com/thing:12862

Based on cymon's recorder that plays well except for the very lowest notes. I made the bore larger to accommodate more airflow to get better volume at the bottom of the range.

I also adjusted the placement of the holes. Recorders are notorious for having some notes off key and I wanted to remedy this. (True you can adjust airflow to tune each note but this way it's more consistent and less to remember.)

Video demonstration here: https://youtu.be/QQ1ixOZWio0

For version 3.4 I've included separate soprano and alto STLs. If you scale the soprano up to alto size (150%) the size of the fipple will require a lot of air and it will literally take your breath away, however the remaining parts will work fine. I will likely at some point design a te