Carvey Runout Check Rig

This one is a little rig I made to measure runout on my Carvey from inventables, my Carvey struggled to carve thin and precise lines and I noticed a little bit of a runout by eye, after further investigation it turned out to be a lot more that I expected.

My replacement spindle from inventables is on it's way, check your own too!
I got the dial indicator on amazon.com for under $40 :

https://www.amazon.com/gp/product/B0043F4YLO/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1

The following