I didn't buy it from Revain but I have this square. My square is about 3/64 from the 12 inch side. At first I thought my cheap Chinese machine square had failed due to alignment issues. It turns out that my two Swanson squares aren't square. I read that you can adjust the squareness of this model by deepening the inside corner. I might try that since my square is just under 90 degrees.
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