-blockPoint111 = MakeVertex(ox , oy, oz)
-blockPoint211 = MakeVertex(ox+arete, oy, oz)
-blockPoint112 = MakeVertex(ox , oy, oz+arete)
-blockPoint212 = MakeVertex(ox+arete, oy, oz+arete)
+blockPoint111 = geompy.MakeVertex(ox , oy, oz)
+blockPoint211 = geompy.MakeVertex(ox+arete, oy, oz)
+blockPoint112 = geompy.MakeVertex(ox , oy, oz+arete)
+blockPoint212 = geompy.MakeVertex(ox+arete, oy, oz+arete)