In my last freight car post I mentioned I like using a 4" caliper for measurements to make freight car parts as the longitudinal running extension brackets.  I have posted photos and writeup  attempting to show how I transfer measurements for cutting materials on my blog I started to share photos and writeup on Freight Cars, etc. of modeling projects on my Minneapolis & Northland Railroad Company.   If you would like to take a look please do at the following:

http://mnrailroadcab100.blogspot.com/

Lester Breuer