6 point

Drag to rotate, +/- to change rotation rate
m/M to decrease/increase magnification
u,v,w/U,V,W to change x,y,z speeds after rotation
x,y,z/X,Y,Z to change x,y,z speeds before roation
Ctrl A resets all variables
Ctrl M,U,V,W,X,Y,Z resets one variable
b/B for white/black background
p/P to remove/include primary colors
c/C for color off/on