COMMENT ⊗   VALID 00002 PAGES
C REC  PAGE   DESCRIPTION
C00001 00001
C00002 00002	{FCW290,970H5L0,-25S345,650,100}
C00005 ENDMK
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{FC;W290,970;H5;L0,-25;S345,650,100;}
{I350,0;}
{FCJC} FIGURE 3  -  WINGED EDGE TOPOLOGY
{JCFA} As viewed from the exterior side
{H7;JA;W0,1260;O0,630,700;L0,-20,0*2.5,-61*2.5;L0,20,0*2.5,61*2.5;
L-86*2.5,83*2.5,0*2.5,61*2.5,86*2.5,83*2.5;
L-86*2.5,-83*2.5,0*2.5,-61*2.5,86*2.5,-83*2.5;H2;
L42*2.5,106*2.5,86*2.5,83*2.5,126*2.5,0*2.5,86*2.5,-83*2.5,42*2.5,-106*2.5,-42*2.5,-106*2.5;
L-42*2.5,-106*2.5,-86*2.5,-83*2.5,-126*2.5,0*2.5,-86*2.5,83*2.5,-42*2.5,106*2.5,42*2.5,106*2.5;
 L-30,-10;FB	}Edge
{L-250,-7;FA	}NFACE(Edge)
{L120,-7;	}PFACE(Edge)
{L-55,-200;	}NVT(Edge)
{L-55,175;	}PVT(Edge)
{L-225,140;	}NCCW(Edge)
{L90,140;	}PCW(Edge)
{L-210,-170;	}NCW(Edge)
{L80,-170;	}PCCW(Edge)
{I975,0;O0,630,950;λ10;W300,950;FA}
1. Face ring  of a body:
	NFACE(body or face) & PFACE(body or face).
2. Edge ring  of a body:
	NED(body or edge) & PED(body or edge).
3. Vertex ring of a body:
	NVT(body or vertex) & PVT(body or vertex).
4. First edge of a face or vertex:
	PED(vertex) or PED(face).
6. The two faces of an edge:
	NFACE(edge) and PFACE(edge).
7. The two vertices of an edge:
	NVT(edge) and PVT(edge).
8. The four wing edges of an Edge:
  NCW(Edge) edge of NFACE Clockwise from Edge.
  PCW(Edge) edge of PFACE Clockwise from Edge.
   NCCW(Edge)  edge of NFACE CCW from Edge.
   PCCW(Edge)  edge of PFACE CCW from Edge.