circles are made from trend, just to make sure perpendicular bisector is correct to draw the pitchfork. regular pitchfork. then did octaves (as in 1/8...0.125, 0.25, 0.375, 0.5 etc) which michael s jenkins says is key to everything, probably has something to do with music and harmonics idk. pitchfork looks kinda like musical staff no? market in the key of b sharp...