TSplineEdge
The TSplineFaces adjacent to this Edge
The Vertex at which this Edge ends
Index of the TSEdge
Whether the TSEdge is on border
Whether the TSEdge is manifold
The TSplineVertex at which this Edge starts
Return UVN Frame of the TSEdge (point on the hull, U vector, V vector and normal)
A bunch of TSEdge properties: uvnFrame and index, whether TSEdge is on Border, is Manifold or not