import numpy from pyclipper import ( Pyclipper, PT_CLIP, PT_SUBJECT, CT_UNION, CT_INTERSECTION, PFT_NONZERO, scale_to_clipper, scale_from_clipper, ) p = Pyclipper() p.AddPaths([ [(-10, -10), (-10, 10), (-9, 10), (-9, -10)], [(-10, 10), (10, 10), (10, 9), (-10, 9)], [(10, 10), (10, -10), (9, -10), (9, 10)], [(10, -10), (-10, -10), (-10, -9), (10, -9)], ], PT_SUBJECT, closed=True) p.Execute2? p.Execute? p.Execute(PT_UNION, PT_NONZERO, PT_NONZERO) p.Execute(CT_UNION, PT_NONZERO, PT_NONZERO) p.Execute(CT_UNION, PFT_NONZERO, PFT_NONZERO) p = Pyclipper() p.AddPaths([ [(-10, -10), (-10, 10), (-9, 10), (-9, -10)], [(-10, 10), (10, 10), (10, 9), (-10, 9)], [(10, 10), (10, -10), (9, -10), (9, 10)], [(10, -10), (-10, -10), (-10, -9), (10, -9)], ], PT_SUBJECT, closed=True) r = p.Execute2(CT_UNION, PFT_NONZERO, PFT_NONZERO) r r.Childs %history -f nested_poly_test.py