Bicycle thru-axle hub measuring stick

I'm a member of the [Pro bike mechanics association (PBMA)](https://probma.org/) and recently attended one of their tech workshops where several bike companies gave tech info on their stuff and how to work on it. One of the cool things that [DT Swiss](https://dtswiss.com/) handed out was a measuring stick for checking the width of a thru-axle hub. (see two of them in the top of the second photo) I thought the design was brilliant, so made my own version that can be 3D printed.

I've got two ve