## {3,7}, diamond 1S + diamond 1A2 + diamond 1F
h2.
angleunit(2*pi/7)
# the line below lets us specify internal angles
angleofs(pi)
distunit(edge(3,7))
unittile(1,2,1,2)
unittile(1,2,1,2)
unittile(1,2,1,2)
unittile(1,2,1,2)
# the Conway notation
conway("(0 1'')(2 1'')(1 2''')(3 2''')(0')(1')(2' 2'')(3' 1''')(0'')(3''')(3'' 0''')")
sublines(1)