Someone suggested an option to create harmonic overtones in waves recently, let me search…
ah, here: https://forum.renoise.com/t/add-harmonics-to-samples/25383
Might be cool to include too! 
Someone suggested an option to create harmonic overtones in waves recently, let me search…
ah, here: https://forum.renoise.com/t/add-harmonics-to-samples/25383
Might be cool to include too!