## {4,6}, square 1S4 + domino 1S
h2.
angleunit(pi/3)
# the line below lets us specify internal angles
angleofs(pi)
distunit(edge(4,6))
unittile(1,1,1,1)
unittile(1,1,2,1,1,2)
# the Conway notation
conway("(0 1')(1 1')(2 4')(3 4')(0' 2')(3' 5')")
sublines(1)