Bottle Flute/Whistle

Make any normal screw cap bottle into a flute! (or print one of our flute bottles)

My idea came to me when thinking about the challenge... "What things make sound"

I went through multiple ideas of creating a flute or a recorder, I even though a trumpet, but all of these things have already been done.

Then I saw the bottle of wine in front of me (Empty... unfortunately) and thought of the days i'd spend blowing into the tops of my beer trying to make songs with friends.

Then I realised, they can get pretty loud.

I have researched how to change the notes (you can add liquid or make the container bigger) and I looked at the science behind the flute and thought, why not use a bottle?
Instead of all of those pesky details, simplify it and turn whatever bottle you have into a musical instrument.

This is just a theory however, currently uploaded is my first iteration of this and it is a complete test!
if I can get the angle right to make it create a sound,