Parametric Curves: CAD & Free Software Info

[andrewdavid]

Hi, I'm doing a project which involves parametric curves that I have to present to a class. Basically, I'm completely exercises and I know that most computer-aided design works with parametric curves, specifically Bezier curves. For the project, I'd like to draw something in CAD or whatever and put the parametric equations for each of the curves beside them so people can see the actual equations used to draw the object. I've never used CAD or anything, but I'm curious if you people may know if I can do this. So, can I? Anyone know of any free software I could actually download to do this? I hope my question makes sense. Thanks!

 

[fresh_42]

Better CAD software is usually expensive. I don't know of cheap ones, but you can find some graphic programs here:
https://www.physicsforums.com/threa...th-and-other-curiosities.970262/#post-6164027