Mirror Component Altium Designer

September 26, 2020
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Mirror Component in Altium Designer: An Essential Guide

Altium Designer's Mirror Component feature is a powerful tool that enables designers to automatically create mirrored copies of existing components. This feature is particularly useful for creating symmetrical designs, such as those found in PCBs and other electronic devices. In this article, we'll explore the essential aspects of Mirror Component in Altium Designer and provide a comprehensive guide to its functionality.

Understanding the Mirror Component Feature

Mirror Component is a command found under the "Edit" menu or by using the keyboard shortcut "M." It works by creating a mirror image of the selected component along a specified axis. This axis can be either the X-axis, Y-axis, or both. The mirrored component is placed directly opposite the original component, making it easy to create symmetrical designs.

Practical Applications of Mirror Component

The Mirror Component feature finds numerous applications in PCB design:

Creating symmetrical traces and pads
Mirroring connectors and headers
Duplicating components for differential pairs
Generating mirrored component footprints
Accelerating the design process by reusing existing components

Step-by-Step Guide to Using Mirror Component

To use the Mirror Component feature effectively, follow these steps:

Select the component you want to mirror.
Click on the "Edit" menu or press the "M" keyboard shortcut.
In the "Mirror Component" dialog box, choose the axis along which you want to mirror the component.
Optionally, you can specify the angle of rotation for the mirrored component.
Click "OK" to generate the mirrored component.

Advanced Features of Mirror Component

Altium Designer offers advanced features to enhance the functionality of Mirror Component:

Mirror Around Origin:
Allows you to mirror a component around the design origin, regardless of its placement.
Mirror and Rotate:
Combines the Mirror and Rotate commands to mirror a component and rotate it by a specified angle simultaneously.
Mirroring Coordinates:
Enables you to define custom coordinates for the mirrored component's placement.

Tips for Using Mirror Component

Here are some tips to optimize your use of Mirror Component:

Pre-plan your mirrored components before execution to avoid unnecessary edits.
Use the "Mirror Around Origin" feature for symmetrical layouts centered around the origin.
Consider using the Mirror and Rotate combination for non-orthogonal mirrored components.
Use custom coordinates to precisely position mirrored components.
Review the mirrored components after creation to ensure accurate placement and orientation.

Conclusion

The Mirror Component feature in Altium Designer is an essential tool that enables designers to create symmetrical designs efficiently. Understanding its functionality and incorporating it into your workflow can significantly improve design productivity and accuracy. By following the steps outlined in this guide, you can harness the power of Mirror Component to create flawless and symmetrical PCBs.