## {4,3}, square 1S2b + domino 1S s2. angleunit(2*pi/3) # the line below lets us specify internal angles angleofs(pi) distunit(edge(4,3)) unittile(1,1,1,1) unittile(1,1,2,1,1,2) # the Conway notation conway("(0 0')(2 3')(1 2')(3 5')(1')(4')") sublines(1)