你一定听到人说过：“我们需要 CAD 模块，DWG 格式的参考图和各种类型的模板！” 来吧，把你的目光放到这里， www.linecad.com。该网站提供可下载的 DWG 和模块的集合，甚至不止是建筑相关的。(请大声的告诉你身边那些正在寻找水泵，管道和仪表的工程师伙伴！)
每个帖子包含一个不同的文件，该网站在建筑类别至少提供150个可以下载的 DWG 文件 ，包括：
免费下载的 CAD 模块
Looking for some quick references or ways to spice up your drawings? Fire up Google Translate or brush the dust off your Italian to take advantage of this comprehensive vector/dwg/architecture drawing resource site! provides a number of free CAD blocks, downloadable CAD plans and DWG files, for you to study or use in precedent research.
The key to quick, efficient CAD modeling is to have a solid library of CAD blocks - pre-prepared sets of common objects and details that you can simply drop into your drawing as and when they are required.
In order to support the design work of our readers, the company Teka has shared with us a series of .DWG files of its various kitchen products. The files include both 2D and 3D drawings and can be downloaded directly from this article.
In order to support the design work of our readers, the company Porcelanosa Grupo has shared with us a series of .DWG files of its various bathroom products. The files include both 2D and 3D drawings and can be downloaded directly from this article.
In the spirit of supporting our readers' design work, the company Velux has shared a series of .DWG files with us of their different roofing windows models. The files can be downloaded directly from this article and include great amounts of detail and information.
With the aim of supporting the design work of our readers, the company UrbanPlay has shared with us a series of files in .DWG format for different models of children's games, playgrounds, and equipment for public space. Files can be downloaded directly in this article and include 2D and 3D files.
Mapacad is a website that offers downloads of .dwgs of dozens of cities. With 200 metropolises in their database, the founders have shared a set of their most-downloaded cities. The files contain closed polyline layers for buildings, streets, highways, city limits, and geographical data--all ready for use in CAD programs like Autocad, Rhino, BricsCad and SketchUp.