# islamicart islamicdesign islamicgeometry mathart regolo54_isgede bourgoin jaybonner watercolor aquarelle impossible isometric geometry symmetry handmade tessellation regolo54 toroid polyhedra solid escher penrosetriangle oscarreutersvärd pencildrawing mcescher flowers tiling pencil mauritscornelisescher tesselation fractal wallpaper birds fish regolo54_mcescher tulips collage vangoghart stillife naturamorta bizzi54_art islamic_art structure sunflower stilleben torus torso circle disk pastell drawings art olympia renoir elephant