Total intrinsic spin angular momentum 0.866ħ of the electron illustrated at 54.7° angle


x = 0.618·r·(1 - cosφ)·cos(8φ/7)    
y = 0.618·r·(1 - cosφ)· sin(8φ/7)    
z = r · sinφ     
 
all points P(x,y,z) are widened ±7.5° on latitude
still image out of 20 frames, used for  animation
 
→  7:6 ,  index
+ coordinates