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95 changes: 94 additions & 1 deletion handbook/process/logo.md
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---
title: "FreeCAD brand guidelines"
description:
"The brand guidelines describe the proper use of the FreeCAD logo and other FPA branded resources."
"The brand guidelines describe the proper use of the FreeCAD logo, general usage guidelines, and compliance information for authors and commercial users."
layout: default
---

# {{page.title}}

{{page.description}}

This page provides comprehensive guidelines for properly referencing and using FreeCAD in various contexts, including books, commercial content, and other materials.


### Logo Kit

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Download the [FreeCAD brand guidelines](../../images/logos/guidelines/guidelines.pdf) as a PDF. These are also included in the logo kit at the top of the page.

## General FreeCAD Usage Guidelines

### Proper Reference

When referring to FreeCAD in any content, please use the following guidelines:

> You can use the FreeCAD logo when referring to the software project hosted at https://freecad.org, compiled from the source located at https://github.com/FreeCAD/FreeCAD, and digitally signed by The FreeCAD project association AISBL (where applicable). Any links or instructions on how to obtain the software should refer to the 'freecad.org' domain.

### Naming Conventions

- Use "FreeCAD" as a single word with capital "F" and "CAD"
- Do not use "Freecad", "freecad", "Free Cad", or other variations

### Attribution Requirements

- Include attribution to FreeCAD when using screenshots or featuring the software
- Provide links to https://freecad.org for downloads and official information
- When mentioning the source code, reference https://github.com/FreeCAD/FreeCAD
- For digitally signed releases, mention "The FreeCAD project association AISBL"

## Addons and Third-Party Content

### License Responsibility

FreeCAD does not dictate the licenses used by addon authors. Addons may have licenses or include graphics and assets that have licenses different from the main project.

**Important:** If you intend to use addons in your own FreeCAD related content, it is your responsibility to make sure you comply with the addon licenses.

### Best Practices for Addon Usage

- Always check the license of each addon before including it in your content
- Some addons may have commercial restrictions that differ from FreeCAD's license
- Provide proper attribution for addon authors as required by their licenses
- Include license information for all addons used in your documentation or books
- When in doubt, contact the addon author directly for clarification

### Finding Addon License Information

- Check the addon's documentation or README file
- Review the license files in the addon's repository
- Look for license headers in the source code
- Visit the addon's official page or repository for licensing details

## Frequently Asked Questions (FAQ)

### Can I use FreeCAD screenshots in my book?

Yes, you can use screenshots of FreeCAD in your book. FreeCAD is licensed under LGPL 2.0+, which generally allows for documentation and educational use.

### Do I need permission to write a book about FreeCAD?

No, you do not need special permission to write a book about FreeCAD. However, you should follow these guidelines.

### Can I sell FreeCAD training courses or tutorials?

Yes, you can create and sell training courses about FreeCAD. The LGPL license allows for commercial educational content.

### How should I refer to FreeCAD in academic papers?

In academic papers, cite FreeCAD as "FreeCAD (version number), available from https://freecad.org". Include the version number you used and the official website URL.

### Can I modify the FreeCAD logo for my own use?

No, the FreeCAD logo should not be modified. Use the official logos as provided in the logo kit without alterations to colors, shapes, or styling.

### What if I need to use older versions of FreeCAD?

Older versions are available through the GitHub repository and may be archived on freecad.org. When referencing specific versions, always include the version number and download source.

### How do I handle multiple addons with different licenses?

You must comply with each addon's individual license requirements. This may mean providing different attributions, following different usage restrictions, or even excluding certain addons from commercial content.

### Can I bundle FreeCAD with my commercial software?

Yes, FreeCAD's LGPL license allows for distribution with commercial software, but you must comply with LGPL requirements, including making the source code available and including proper attribution and license notices.

### I'm selling my book/video/content. Do I need to pay royalties?

No, you do not need to pay royalties to use FreeCAD in your content. However, FreeCAD is built and maintained by a community of volunteers. Purely commercial ventures that don't respect this and don't try to "give back" to the community often face criticism and may lose community support. Be a good citizen and consider how you can contribute back to the community. Financial donations can be made to the FreeCAD project association AISBL.


## Additional Resources

- [FreeCAD Official Website](https://freecad.org)
- [FreeCAD Source Code](https://github.com/FreeCAD/FreeCAD)
- [FreeCAD Addon Repository](https://github.com/FreeCAD/FreeCAD-addons)
- [LGPL License Information](https://www.gnu.org/licenses/lgpl-2.1.html)

For specific questions not covered here, please contact the FreeCAD community through the official forums or GitHub discussions.




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