Rename to A B C D
Rename frames to A B C D, as is done for 3U. Using XYZ may be confusing as it may not align with the reference frame choosen for the system, which usually also uses XYZ notation.
Rename frames to A B C D, as is done for 3U. Using XYZ may be confusing as it may not align with the reference frame choosen for the system, which usually also uses XYZ notation.