That's what the Parent parameter is for.
Example
Now whenever Body is moved, LeftArm will follow.
If the two entities are already loaded in, then use:
Example
Body = LoadMesh("Body.b3d") LeftArm = LoadMesh("LeftArm.b3d",Body)
Now whenever Body is moved, LeftArm will follow.
If the two entities are already loaded in, then use:
EntityParent LeftArm,Body