not sure bro, but have you tried the surface modifier? i think cad comes in like splines right? can you post up some pics and give maybe a little more detailed explanation of a specific example of the problem? im guessing around a lot trying to figure out where the density problems would be. :shrug:
a few ideas:* use the slice modifier several times to break down those long stretchy triangles so that flattening and relaxing UV shells works more predictable. Once everything is relaxed you can simply select those slice loops and remove them again using ctrl+backspace. * MaxRetopo is a nice free maxscript that lets you…