Keywords: Order4 heptakis heptagonal til.png en hyperbolic fundamental domains hand-recolored from triangle 7 4 2 domains Uniform dual tiling Order-4 heptakis heptagonal tiling Colored from Don Hatch's hyperbolic tiler Self 2/9/13 Uniform dual tilings of the hyperbolic plane with 7-fold vertices Uniform dual tilings of the hyperbolic plane with 8-fold vertices |