Parametric Tapered Spacer

I decided to try replacing an aluminum spacer & multiple shims on the idler pulley assembly I was using on a Delta printer with a printed spacer. Giving it a wider Diameter where it connects to the endplate seems to give it more support for a longer bolt than a smaller diameter aluminum spacer. I was originally calling this a shim, but spacer seems to be the correct name.

The main picture shows how I used it with the idler pulley at the top of a Delta printer.

If you are using this with