These tiles are equivalent to MacMahon's 24 tiles with 3 edge colors. (Tiles may be rotated, but not flipped.) The challenge here is to place the tiles on an 8×8 board so that the semicircles connect on adjacent squares, the triangles see another triangle over a distance of at least one square, and the x's see nothing but empty space to the edge of the board.
Entrance to the Hajji Alija Mosque in Počitelj (Čapljina), Bosnia and Herzegovina. The left door shows four kinds of Islamic geometric pattern design. #TilingTuesday#tiling
A few days ago I treated myself to a pro licence for the brilliant #OneLab Android app, so I can now create hex-tilings on my phone. #TilingTuesday#DigitalArt