## {3,7}, diamond 1A2 + diamond 1F + 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)
unittile(1,2,1,2)
# the Conway notation
conway("(0 0')(1 3''')(2 1'')(3 2'''')(1' 3'''')(2''' 0'')(2' 1''')(3')(0''')(2'' 3'')(1'''' 0'''')")
sublines(1)