设计笔记2：AutoCAD公开课。
在网上找到了AutoCAD公开课，由IT部落窝提供，由赵爱琴讲课，共4节，视频来源是搜狐，有原画档的高质量视频，要好好学一下了。
http://my.tv.sohu.com/pl/9056778/82211381.shtml
http://my.tv.sohu.com/pl/9056778/82210844.shtml
http://my.tv.sohu.com/pl/9056778/82210696.shtml
http://my.tv.sohu.com/pl/9056778/82211656.shtml
http://my.tv.sohu.com/pl/9056778/82211381.shtml
http://my.tv.sohu.com/pl/9056778/82210844.shtml
http://my.tv.sohu.com/pl/9056778/82210696.shtml
http://my.tv.sohu.com/pl/9056778/82211656.shtml
