On Wed, 24 Apr 2013 14:25:37 +0000 (UTC), (Edward A.
Out of curiosity, what cad software do you currently use?

I'm not using cad software. I've been using Flash for a number of
years. I suppose that many consider Flash only a step up from a simple
paint program, but it's been fine for me. Doesn't come close to any
cad software, but it has done what I needed it to do.