nPick 3 axes (XYZ, ZXZ, ZXY, …)
nCompact
nAny 3 numbers is a rotation
nEvery rotation has many values
n
nSingularities
nNot metric (close rotations->different numbers)
nInterpolations can be weird
n
nOK when 1 axis at a time
nFalse sense of security that can do math