Part_1_doc = Part_1.document()
Sketch_1 = model.addSketch(Part_1_doc, model.defaultPlane("XOY"))
Rectangle_1 = Sketch_1.addRectangle(5.5, 8.5, 31.3, 78.9)
+# rectangle from center and end points
+rectangle_2 = sketch.addRectangleCentered(10, 5, 25, 75)
+
model.do()
model.end()