So, I went a two-piece, 2-D route and it worked great! If anyone else wants to make them, here's the full scoop on how I did it (get out your "arts and crafts" experience for this one):
DIY Parking Light Gaskets
If anyone shows interest, I'll look into making a PDF of the pattern and posting it somewhere.
Yet another part of my 1981 Subaru Brat Restoration Tips and Tricks
Edited by bendecker, 23 February 2010 - 11:10 AM.