## {4,6}, square 1S4 + square 1S2a
h2.
angleunit(pi/3)
# the line below lets us specify internal angles
angleofs(pi)
distunit(edge(4,6))
unittile(1,1,1,1)
unittile(1,1,1,1)
# the Conway notation
conway("(0 0')(1 2')(2 0')(3 2')(1')(3')")
sublines(1)