Well, if you want more than what Mr. Ralph has put up, it can be done. I have just downloaded a new program that should allow more versitility than my current one, but it is only a trial and I'm limited in that aspect.
I currently use SolidEdge, and it is quite accurate in all aspects, I believe has been in use at Redstone Arsenal here for a while. Give me an idea of what you are looking for and I can tell you if I can do it or not. I am limited in my color schemes on this one to only a handful of solid colors and some transparent ones, that is my main reason for looking for other programs.
Exactly what are you looking for? Something you can manipulate around and look at? Just some .jpg files of different angles? Exploded views? 3 View drawings included? Dimensions? There are quite a few variables to play with. Also what balisong were you wanting the model of?
By super accurate, do you want dimensions down to .001" or just one that is drawn and looks proportionally correct?