Currently I use a slide gauge (smallest increment is 1/32") then see what it is in mm (by using another gauge) then convert it back to decimal (via online calculator). Pain in the... I suppose some good measuring tools are in order since I plan on doing builds like this, but boy ae they pricy. Again, thank you.
"Well, I thought it was a rabbit but it turned out to be Bear Grylls in a rabbit hide."