Blazer drafting-Back part1

GERBER ACCUMARK pattern making The Back W-RT = Back depth of scye----=23.5cm 1/3 = 1/3rd back depth of scye-=7.6cm T = Waist length--------------------=45cm G = Depth of seat----------- =63.3cm L = length =78 cm L-L1 = displace by 2-------------=2 cm L-W = join with straight line T1-T2 = displace in by 1.5 for waist L1-L2 = displace by 2 L2-T2-1/3 = join with straight line R-RB = width of back--------------- =21.5.cm RB-S = side point height = 6 S-S1 = displace to the side by 1.5 RB-SH = add shoulder height here (the shoulder seam is advanced and is given a 0.5cm ease to allow for the canvas) W-H = 1/10th of half the chest + 3=8cm H-HS =1/10th of back depth of scye=2.4cm HS-SL = cut along length of shoulder (the shoulder width becomes 0.5cm narrower) T2-T3 = R-RB minus 3.5 (the back is displaced 0.5cm on the waistline) L2-L3 = T2-T3 + 0.5