Get Normal, Origin from Plane

  1. Why my normal from Plane is different from Normal in Rhino geometry/surface?

also a few additional questions

  1. How to get Origin, Normal from Plane?
  2. How to colour vector to a custom colour? (7.8 KB)

here are a couple options. The plane through points isn’t going to compare to the surface normal, which is dependent on the order of points.