# Design Parameters

- [Overview](https://docs.quilter.ai/design-parameters/overview.md): Overview of Design Parameters available to constrain and specify Quilter-generated layouts.
- [Fabricators](https://docs.quilter.ai/design-parameters/fabricators.md): Explanation of Quilter’s fabricator profiles, including stack-ups, fabrication rules, compile targets, filtering options, and pre-supported manufacturers.
- [Stackups](https://docs.quilter.ai/design-parameters/stackups.md): Quilter generates PCB candidates using either the stackup from your files or standard stackups defined in partnership with top fabricators
- [Pre-placed components](https://docs.quilter.ai/design-parameters/pre-placed-components.md): Explanation of Quilter’s handling of pre-placed components, including reasons for pre-placement, supported scenarios, and instructions for locking positions.
- [Placement regions](https://docs.quilter.ai/design-parameters/placement-regions.md): Explanation of Quilter’s Placement Regions, including creation methods in Altium and KiCAD, component associations, and instructions for constraining component placement.
- [Single-sided placement](https://docs.quilter.ai/design-parameters/single-sided-placement.md): Instructions for managing single-sided placement in Quilter, including automatic exploration, forcing double-sided layouts, and specifying single-sided constraints.
- [Pre-routed traces](https://docs.quilter.ai/design-parameters/pre-routed-traces.md): Instructions for managing pre-routed traces in Quilter, including reasons to pre-route, handling during layout, and specifying locked routing paths.
- [Preserved pours](https://docs.quilter.ai/design-parameters/preserved-pours.md)
- [Keepouts](https://docs.quilter.ai/design-parameters/keepouts.md): Summary of using Keepouts in Quilter to restrict placement and routing areas, including common uses and how to specify them in your CAD tool.
- [Net Widths](https://docs.quilter.ai/design-parameters/net-widths.md): Explanation of Quilter’s Net Width constraint, detailing careful usage guidelines, potential conflicts with automatic constraints, and instructions for specifying custom widths.


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