MPFRSA allows the user select the geometric center of gavity or specify an alternative origin and axes.
+--------------------------<------------------------------------------+ | | --(MPFRSA)--+--(:G_ORIGIN)-------------------------------------->-----------------+--> | | +--(:ORIGIN)---|point 3d|--------------------------->-----------------+ | | +--(:Z_AXIS)--|MEASURE_DIR_3D_SA|--+---------------->-----------------+ | | | | +--(:X_AXIS)--|MEASURE_DIR_3D_SA|--+ | | +--(:DONE)------------------------------------------>-----------------+