This is a 4-hole ocarina that you can print and play right off the build plate! No supports or raft necessary. It goes through one full scale and sounds essentially like a store-bought one:
and here's another print by CircuitsAndStrings:
https://www.youtube.com/watch?v=uFUDhvqACek
... and another print:
https://www.youtube.com/watch?v=wk-uvlm3XoA
... and another:
https://www.youtube.com/watch?v=J5wH6s4Nvhc
Here are my earlier (beautiful, but less tone-accurate) ocarinas:
large 6-hole:
http://www.thingiverse.com/thing:1012353
small 5-hole:
http://www.thingiverse.com/thing:1035794
Enjoy!
February 24th, 2016 update: Someone stole this design and put it into the MakerEdChallenge, pretending that they designed it:
http://www.thingiverse.com/thing:1198154
Not really a big deal since they clearly won't win anything... but I'm a bit miffed... so I deleted the old one and made another version with my name on it and a small improvement on the inside (file size is way smaller too).
Feb 15th, 2017 update: I don't know why I didn't link this before; here's a 'game' to help you recognize tones (yes, it has an exciting ending!):
4HoleOcarina.stl | 778.2KB |