sk1 = model.addSketch(mypart, model.defaultPlane("XOY"))
c1 = sk1.addCircle(0, 0, 100)
+model.do()
bigcyl = model.addExtrusion(mypart, sk1.selectFace(), 100)
sk2 = model.addSketch(mypart, model.defaultPlane("XOY"))
c2 = sk2.addCircle(20, 30, 30)
+model.do()
smallcyl = model.addExtrusion(mypart, sk2.selectFace(), 150)
cut = model.addCut(mypart, bigcyl.result(), smallcyl.result())
assert(mypart.size("Bodies") == 2)
sk3 = model.addSketch(mypart, model.defaultPlane("XOY"))
c3 = sk3.addCircle(0, 0, 90)
+model.do()
big2 = model.addExtrusion(mypart, sk3.selectFace(), 110)
cut2 = model.addCut(mypart, big2.result(), smallcyl.result())