Keywords: H2 tiling 248-4.png Regular tiling of hyperbolic plane by quadrilaterals x4o8o Generated by Python code at User Tamfang/programs Equivalent 90px 90px 90px 90px 90px 90px 90px Dual 90px 90px 90px 90px 90px 90px 90px own 2013-3-03 Anton Sherwood Order-8 square tiling Poincaré disk models |