I missed out on buying the conductor baton from the KH Orchestra so I made my own! I was able to print it split horizontally on a Taz 6 (see below)
I just extended the middle and key (teeth?) area of this model: https://sketchfab.com/3d-models/keyblade-732ded820d4b442d991dcf76b9b85780
The author hasn't provided the model origin yet.