Update : URL link updated as the old link was wrong. Apologies for any frustration caused!
The Curtainwall Wizard allows you to take any polygonal object and
convert it into a curtainwall system; complete with glass, mullions,
and silicon joints. The resulting curtainwall is parametric so you can
make changes to the base mesh and it will update model in realtime.
Please see the page on my website for more information on this script .