lattice help?

hiya, i'm trying to define this lattice in terms of ratios instead of
note names, but am a bit uncertain about how to do it... can anyone
give me a clue? :) thanks, paul

E
/|\
/ | \
D#-------,A#-------,E#
\`. /,'/|\`.\ ,'/
\ `C'-/-|-\-`G' /
\/|\/.,Dx,\/|\/
/\|/,'Bbb`.\|/\
/ ,F#-------`C# \
/,' \`.\|/,'/ `.\
Ab-----\-`Eb-/-----`Bb
\ | /
\|/
A

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P a u l F l y
http://www.neuron.net/~pfly