Back when I was working on the Japanese Sorrento starter guitar I installed a Les Paul style Tune-O-Matic bridge in the proper place on the body so it could have good intonation. That worked well but the bridges for Les Paul guitars are set up with a 12 inch radius. The Sorrento was a 9.5 inch radiius so the middle two strings were a bit closer to the frets than the outside strings. I sat down after lunch and did some thinking and had a 'Doh!' (forehead slap) moment. I loosened the strings, took the bridge off the mounting pins, and took it out to the garage along with a 9.5inch radius gauge. I have a couple 3/4 inch square pieces of hardwood on the bench and a few other things like some nuts and bolts. I took the hardwood squares and held them against the top outer edges of the bridge next to the roller saddles. Then I held them in the vise opening with the adjustment screws on the bridge pointing up. I grabbed a 1/2inch nut off the bench and put it on the bottom of the bridge in the middle. A little tightening while using the radius gauge to know when to stop and I turned a 12inch bridge into a 9.5inch bridge. Now I can have the action height I wanted and the middle strings no longer buzz. Gave myself a literal pat on the back afterwards. The light bulb still comes on sometimes when I flip the switch.
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