Building a wheel concentricity gauge

[Deckard]

Anyone have a good guide for building a wheel concentricity gauge tool? I want to build a tool to test the wheel runout.

 

[Pinewood Outlaw]

I've seen a few for sale

 

[Brian Stanley]

It doesn't need to be anything fancy.

 

[Craigs Cruzer]

Here's an old post from 2012 with some instructions off another site:
http://www.derbytalk.com/viewtopic.php?p=63990#p63990

 

[Deckard]

Here's an old post from 2012 with some instructions off another site:
http://www.derbytalk.com/viewtopic.php?p=63990#p63990

Those directions are perfect, thanks!