手册:引言

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FreeCAD 是自由的、开源的、参数化的3D建模应用软件。它主要用于对现实世界对象建模,小至电子元器件,大至建筑物和市政工程,聚焦于可以3D打印的对象。FreeCAD 可以自由下载,自由使用,自由分发和自由修改。它的源代码是开放的,是公开的,遵守非常宽容的 LGPL 协议。使用 FreeCAD 产生的数据完全是你的,不用FreeCAD也可以寻回它们。

FreeCAD is also fundamentally a social project, as it is developed and maintained by a community of developers and users united by their passion for FreeCAD.

This manual is an experiment at taking the opposite way from the official FreeCAD documentation wiki. The wiki is written collaboratively by dozens of community members and, like most wikis, it contains huge amounts of information, but is very difficult to access and navigate by newcomers. This turns it into a precious resource for reference, but not a very practical tool to learn FreeCAD. This manual will walk you through the same information available on the wiki. However, we hope that the more step-by-step pace, based on examples, and the more unified tone given by a smaller number of authors, will make it more suitable for a first contact with FreeCAD, and that it will become a perfect companion for the wiki.

This manual has been written for the current stable version of FreeCAD which is version 0.16.

All the contents of this manual are published under the Creative Commons 4.0 license, and can be freely used, downloaded, copied, and modified. The source files of this manual are hosted on this wiki, and on the original github account used to write the first version of this book. Easier to read HTML, PDF, MOBI and EPUB versions are available on GitBook. A printed version is being prepared.