"Maximum sized" 170mm Soprano Ocarina, printed with no supports
XYZPrinting (propetary) PLA
25% with "normal" thick shells
This is the same slightly rotated pattern (so it doesn't require any supports) as my previous make, but scaled up to the maximum size of my print bed. (Please note that the rotated pattern was printed with wide, 20mm brims, to stabilize it during the printing process. It just breaks off cleanly once the printing is finished). This ocarina then come out about 170mm long, up from the 120mm length of the original design. It is noticeably bigger, as can be seen in the pictures (which are a little distorted due to the fish-eye lens of the camera) - and much easier for larger, adult hands to play.
We weren't sure it would even work when scaled up in size, but it actually seems to work a little better than the original - rendering louder notes across the entire scale (which are a bit better defined for the high notes, which were barely audible with the original sized ocarina I printed). I printed this using the translucent blue filament, that I generally have had good luck printing things like whistles with - things that usually don't make any sound at all if I print them in the dark blue colored filament for unknown reasons.
The first two pictures show the 170mm "maximum sized" ocarina with the original 120mm sized one for some comparison, while the third picture shows it with my commercial "Night" alto C ocarina made by Noble. The commercial ocarina definitely makes a more robust sound, but it's pretty amazing that this design can create a working ocarina at all! Great job designing it Karuuv!