The alignment tool 1 wherein said first distance sensor is positioned to measure the distance of a first location of said reference surface from said sensor and to measure the distance of a first location of said workpiece from said sensor, said tool further comprising a second distance sensor positioned to measure the distance of a second location of said reference surface from said second sensor and to measure {HEAD ~ the distance} of {TAIL ~ a second location} of said workpiece from said second sensor 
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The alignment tool 1 wherein said first distance sensor is positioned to measure the distance of a first location of said reference surface from said sensor and to measure the distance of a first location of said workpiece from said sensor , said tool further comprising a second distance sensor positioned to measure the distance of a second location of said reference surface from said second sensor and to measure { HEAD ~ the distance } of { TAIL ~ a second location } of said workpiece from said second sensor
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