Spin Edge
Modify > Spin Edge
 

Description:

      The Spin Edge
(Modify > Spin Edge) command allows you to change the way an edge divides two faces, by rotating the edge. A single edge which is connected to precisely two faces must be selected in order for this command to work. The edge will in effect be rotated by using a different pair of the faces' vertices for its endpoints.


Notes:

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It may be necessary to perform this operation multiple times in a row to achieve the desired edge placement.