---
title: Settings
---
FreeSewing is all about parametric design, and the settings are the parameters
we pass to a pattern when drafting it. Perhaps the most important of all
settings are the measurements, but there are other settings too.
## Signature
```js
Object settings = {
Object absoluteOptions,
Boolean complete=true,
Boolean embed=false,
Boolean expand=true,
String idPrefix='fs-',
Object|Boolean layout=true,
String locale='en',
Number margin=2,
Object measurements,
String|Array|Boolean only=false,
Object options,
Boolean paperless=false,
Number|Boolean sa=false,
Object sample,
Number scale=1,
String stackPrefix='',
String units='metric',
}
```
## Properties
Below is a complete list of all supported properties in a settings object:
<ReadMore />
## Notes
You can pass a
[multiple set of settings](/reference/api/pattern#multisets-in-freesewing)
objects in an array to the pattern constructor:
```js
new pattern([
{
// settings
},
{
// different settings
},
])
```