40 pixels (10x4)
96 pixels (32x3)
96 pixels (48x2)
100 pixels (10x10)
100 pixels (50x2)
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1 cm in mm
1 inch in 32nds
1 inch in 48ths
1 inch in 10ths
1 inch in 50ths
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one-quarter-inch-to-the-foot (1:48)
three-sixteenths-inch-to-the-foot (1:64)
one-eighth-inch-to-the-foot (1:96)
three-thirty-seconds-inch-to-the-foot (1:128)
calibration data