-pieceFace1 = MakeQuad4Vertices(piecePoint1, piecePoint2, cylPoint2 , cylPoint1 )
-pieceFace2 = MakeQuad (pieceEdge1 , pieceEdge2 , cylEdge1 , pieceEdge3)
-pieceFace3 = MakeQuad4Vertices(piecePoint3, piecePoint4, cylPoint4 , cylPoint3 )
-pieceFace4 = MakeQuad (pieceEdge4 , pieceEdge5 , cylEdge4 , pieceEdge6)
-pieceFace5 = MakeQuad (pieceEdge7 , cylEdge3 , pieceEdge8, cylEdge2 )
+pieceFace1 = geompy.MakeQuad4Vertices(piecePoint1, piecePoint2, cylPoint2 , cylPoint1 )
+pieceFace2 = geompy.MakeQuad (pieceEdge1 , pieceEdge2 , cylEdge1 , pieceEdge3)
+pieceFace3 = geompy.MakeQuad4Vertices(piecePoint3, piecePoint4, cylPoint4 , cylPoint3 )
+pieceFace4 = geompy.MakeQuad (pieceEdge4 , pieceEdge5 , cylEdge4 , pieceEdge6)
+pieceFace5 = geompy.MakeQuad (pieceEdge7 , cylEdge3 , pieceEdge8, cylEdge2 )