I'd usually do that sorta thing
in CAD or Illustrator, then export if needed into PS. Prob not want you wanted to hear though.
(
Mster Johnny Ekstrom, now that's a name,
Wed 15 Sep 2010, 10:48,
archived)
Illustrator would take me even longer; but would be the tool for the job to scale to print size...
Hmmm.
(
waxdart hello.,
Wed 15 Sep 2010, 10:52,
archived)