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#### What is parametric design?

Parametric design refers to the use of parameters or variables to manipulate the outcome
of a given design within its rules.

In sewing patterns, the *parameters* are what is provided by the user: Their measurements 
and options that they have selected.  
The *rules* of the design are what you, the designer, make them.

#### What does that mean for designers?

When drafting or designing patterns or garments, it is common practice to start with a *fit model*
(or *dress form*). The measurements of the fit model are used as input in the initial design.

Adapting the pattern for a different model is a tedious task, which is why patterns are graded
up and down to cover different sizes.

But in a parametric sewing pattern, adapting to different sizes or models *just works*.

#### What can FreeSewing do for me?

FreeSewing provides everything you need to create your own parametric sewing patterns
with very little effort. 

You are free to sell patterns you create, or contribute them to our growing collection.