TopoMesh=TopoRev.Mesh;TopoVer=TopoMesh.VertexPositions;TopoInd=TopoMesh.FaceIndices;MesVerA=List.GetItemAtIndex(TopoVer,TopoInd.A);MesVerB=List.GetItemAtIndex(TopoVer,TopoInd.B);MesVerC=List.GetItemAtIndex(TopoVer,TopoInd.C);MesSur=Surface.ByPerimeterPoints(List.Transpose([MesVerA,MesVerB,MesVerC]));//ColorCols=[Color.ByARGB(255,255,0,0),Color.ByARGB(255,0,0,255),Color.ByARGB(255,0,255,0)];ColInd=[0,0.95,1];//Surface Normal Angle To VerticalMesNor=MesSur.NormalAtPoint(MesSur.PointAtParameter(0.5,0.5));NorAng=MesNor.Dot(Vector.ZAxis());