Build a Didgeridoo
How to build a didgeridoo is out of scope for this tutorial. You can download the didgeridoo shape of the optimization and build a didgeridoo according to this blueprint.
Here is a set of Blender scripts to turn the results of DidgeLab into meshes for a 3d printer.
The website Didgeridoo-Physik explains many ways how to build Didgeridoos.