So I wanted to make a tap handle that I could put a "Steel your face" thing on. I tried to combine this model (https://www.thingiverse.com/thing:33523) and put it on a tap handle.
I couldn't think of how I was going to combine them so I just printed both and glued them together. I printed this in PETG for added strength. The model available here has been designed for E-Z LOK 260-6-BR (3/8"-16 brass insert), which is available at McMaster in a 10 pack as 94615A118.
I did it in Onshape, you can print it and just use it, or glue something else on the front. Mix away. Just sharing.
I decide to put a recess so the brass insert sits inside the handle. so there is a little recess in the second one.
Also decided to make a 2 sided one so it's symmetrical.