19 x 19 mm square tube

saw kerf = 0.635
3 x 6100mm length 
total pieces, length = 3, 18300
total required pieces length = 13723

	2	2	2	2	1	1	2	2	1	1	2	2	2	2	1	1			1	1	1	1	1	2
	830.00	763.00	763.00	626.00	571.00	557.00	473.00	425.00	381.00	372.00	359.00	357.00	260.00	256.00	239.50	220.00			215.00	207.00	200.50	165.00	127.00	122.00

Length 6100 - 830, 830, 763, 763, 763, 763, 626, 626, 127, (5.715 kerf + 3.28541 drop = 9.00041 waste)
Length 6100 - 571, 557, 473, 473, 425, 425, 381, 372, 359, 359, 357, 357, 260, 260, 256, 200.5, (10.16 kerf + 4.34059 drop = 14.5006 waste)
Length 6100 - 256, 239.5, 220, 215, 207, 165, 122, 122, (5.08 kerf + 4548.42 drop = 4553.5 waste)

theoretical possible waste = 18300 - 13723 = 4577
kerf waste = 20.955
drop waste = 4556.05
kerf + drop waste = 4577