There is a better version here: https://www.printables.com/model/966937-carvera-collet-install-tool-mod
I made mine in aluminum using the CNC machine and adhered it using loctite, however, it should work just fine as a 3d print. You might need to adjust the size of the bore to get a good fit depending on the process you use.
The author marked this model as their own original creation.