vertex = geompy.MakeVertexOnSurface(face, 0.5, 0.5)
normal = geompy.GetNormal(face, vertex)
extrusionFaceFissure = geompy.MakePrismVecH(facesFissure, normal, 100)
vertex = geompy.MakeVertexOnSurface(face, 0.5, 0.5)
normal = geompy.GetNormal(face, vertex)
extrusionFaceFissure = geompy.MakePrismVecH(facesFissure, normal, 100)