## {4,4}, square 1S2a + tromino 1A2 e2. angleunit(pi/2) # the line below lets us specify internal angles angleofs(pi) unittile(1,1,1,1) unittile(1,1,2,2,1,1,2,2) # the Conway notation conway("(0)(2)(1 1')(3 1')(0' 2')(3' 7')(4' 6')(5')") sublines(1)