The issue might be related to the slight difference in member joint coordinates, say:
JOINT COORDINATES
1 68.7077 134.095 -0.40239; 2 68.7077 135.595 -0.402392;
where Z coordinate has tiny difference.
The issue might be related to the slight difference in member joint coordinates, say:
JOINT COORDINATES
1 68.7077 134.095 -0.40239; 2 68.7077 135.595 -0.402392;
where Z coordinate has tiny difference.