If you need to draw 3d figures for class, use Google SketchUp to do so easily and free of charge.

如果你的课程需要画3d图形，使用谷歌sketchup可紧张做到，并且免费。

youdao

Google SketchUp needs some Windows files, and the easiest way to install them is using a script called winetricks. To install wintricks, load up a command line and issue the command

GoogleSketchUp需要一些Windows文件，安装它们最简单的方法是用一个叫做winetricks的脚本。

youdao

Google SketchUp needs some Windows files, and the easiest way to install them is using a script called winetricks. To install wintricks, load up a command line and issue the command

GoogleSketchUp需要一些Windows文件，安装它们最简单的方法是用一个叫做winetricks的脚本。

youdao