Normals

Normals are not used by Studio Model - Version 11 and Studio Model - Version 14 but are still provided any way.

C# Code

struct Normal { // Length: 16
  float X;
  float Y;
  float Z;
  float Scale;
}

X, Y, Z: Read straight from the SMD triangle block. Used to determine triangle facing.
Scale: Calculated by the compiler usually having a value of exactly 1.