Diagonal Line;
MoveTo(startx,starty);
LineTo(endx,endy);


dAngle1 = dLargeAngle +3.1415 -.244979;
d1 = 1.546*grid;
y1 = LengthTimesSine(d1,dAngle1);
x1 = LengthTimesCosine(d1,dAngle1);
MoveTo(endx,endy);
LineTo(endx +x1,endy +y1);

dAngle1 = dLargeAngle -3.1415 +.244979;
d1 = 1.546*grid;
y1 = LengthTimesSine(d1,dAngle1);
x1 = LengthTimesCosine(d1,dAngle1);
MoveTo(endx,endy);
LineTo(endx +x1,endy +y1);
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