http://www.blender.org/ good for making animated movies of your projects. or renderings. plenty of tutorials on youtube as well as on the blender...
if its an old kayak or if the company no longer produces this kayak then sure go for it. also you would probably want to use the original kayak...
old cat designs on velume
more of my 3 d projects
just playing around in blender making an offshore cigarette boat