v10.5 (2012)

operator

Reorients the selected edges between the adjacent polygons. A existing edge will be removed and a new edge will be inserted by decrementing the vertices of the selected edge. This can be used to quickly change the the flow of topology in the mesh.

VBScript Example

'
' Spin edge example
'
set grid = CreatePrim( "Grid", "MeshSurface" )
SpinEdgeBackward grid & ".edge[66]"

SpinEdgeForward