Here is another pic of my Stewart old sett-modern taken outside in natural sunlight. If you look closely you will see that a sett comprises 4 squares, each of a slightly different size, plus 2 of the 3 red lines. See the 3rd and 4th squares from the right in the bottom row and then the two squares directly above those two, When you measure from the middle red line to the middle red line in the second group of lines over the measure from right to left and from top to bottom is exactly 7.5 inches. The slightly darker squares are more blue while the lighter ones are more green. Hope my explanation makes sense. It is only 5:50 AM here and I am only on my first cuppa coffee.
proud U.S. Navy vet
Creag ab Sgairbh
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