MEL 昔Softimage|3Dにあったマージ機能SoftEdgeはangle 30
polyPerformAction polyUnite o 0;
polyMergeVertex -d 0.001 -am 0 -ch 1;
SelectToggleMode;
SelectToggleMode;
ConformPolygonNormals;
SelectToggleMode;
SelectToggleMode;
polySoftEdge -angle 30 -ch 1;
SelectToggleMode;
SelectToggleMode;
DeleteHistory;