# Parametric Curves: CAD & Free Software Info

• andrewdavid
In summary, the speaker is working on a project involving parametric curves and wants to know if they can use CAD software to draw the curves and display the corresponding equations. They are asking for recommendations for free software to do this.
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!

## 1. What are parametric curves in CAD?

Parametric curves in CAD refer to a mathematical representation of a curve using a set of parameters. These parameters define the shape and position of the curve, allowing for precise control and manipulation in CAD software.

## 2. How are parametric curves created in CAD?

Parametric curves can be created in CAD software by defining a set of mathematical equations or by using predefined tools and functions. These curves can then be edited and manipulated using the parameters that were initially defined.

## 3. What are the advantages of using parametric curves in CAD?

Using parametric curves in CAD allows for greater precision and control over the shape and position of curves. It also enables easy editing and modification of curves without having to redraw them from scratch.

## 4. Are there any free software options for working with parametric curves in CAD?

Yes, there are several free CAD software options that support working with parametric curves, such as FreeCAD, LibreCAD, and SolveSpace. These software programs offer similar features and capabilities as paid CAD software.

## 5. Can parametric curves be exported to other file formats?

Yes, most CAD software allows for parametric curves to be exported to various file formats, such as DXF, STL, and IGES. This makes it possible to use these curves in other software programs or to share them with others who may not have the same CAD software.

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