Mission accomplished this evening.  Built my spray booth for the calipers.  I wanted to limit overspray, but I needed to be able to turn the workpiece while I was painting.  I used an old plastic storage box that was destined for recycling, I up-ended it, clamped it to my workmate, and made a hole in the top edge.  I wanted light transmission rather than shading; this would be ideal. I prepped and masked the second caliper.  Those foam earplugs are great for plugging the holes.  I trimmed a
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