I just need some help choosing a good 3d modeling program to design armor and weapons. If you guys have other suggestions, I need something that is either free or under $100 (no student edition software please lol) and also accurate (like how Google Sketchup can do measurements up to something like 12 decimal places (.xxxxxxxxxxxx). I already have Google Sketchup and know how to use it very well. I feel like I can make things with it and send it to pepeakura designer with some time and effort. I was just wondering if there was some other program that can do the job a little better/easier.
Also, just a random thought, can CAD programs be used for this type of application? I asked a similar question a long long time ago and I think someone said it's for "weight bearing mechanical pieces" like machines, not a Master Chief/Kamen Rider helmet.