# Design your schematic

Quilter's primary function is to design PCBs from your existing schematic. So, **before you can ask Quilter to generate your PCB, you need to have already designed your schematic.** 

Here are a few things to know when designing your schematic:<br>

1. **Supported CAD platforms:**  \
   Quilter is currently compatible with Altium, KiCAD, Cadence Allegro, and Siemens Xpedition. <br>
2. **Use native object classes whenever possible:**  \
   Whenever possible, use supported object classes to help identify important signals such as power nets, differential pairs, and important net classes. This will facilitate Quilter's automatic detection of these constraints during Circuit Comprehension.<br>
3. **Validate your design before submitting:**  \
   Quilter's objective is to faithfully represent the schematic that you provide; we do not automatically verify that your design is free from errors. Before submitting to Quilter, be sure to review your schematic as if you were designing the layout yourself.

{% hint style="warning" %}
**Multi-channel designs**\
Quilter can parse hierarchical schematics, but currently does not support symmetrical layout for multi-channel designs.
{% endhint %}


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