This is a soprano sized flute, or fife. This model has a simple fingering system similar to the pennywhistle. Consists of three sections, which slide together.The printing height is 115.3mm.The joints have 0.35mm clearance all around. The joints need to form a tight seal. Blue teflon plumbing tape appears to work quite well for this.Even tiny holes can cause the flute not to produce sound, or to only produce high muffled sounds. If the flute isn't working, this is probably the reason.It is also possible to make this instrument by milling wooden pieces and gluing them together. This is a little more involved than 3D printing, so email me if you are interested in doing this. For more instruments, and the source code used to design them, go to: http://logarithmic.net/pfh/design