下载地址：https://www.opencascade.com/products/cad-assistant/

运行 cad_assistant_1.6.0_2021-10-05_lin64.appimage

提示

This application failed to start because it could not find or load the Qt platform plugin "dxcb;xcb"
in "".Available platform plugins are: xcb.Reinstalling the application may fix this problem.
This application failed to start because it could not find or load the Qt platform plugin "dxcb;xcb"
in "".Available platform plugins are: xcb.Reinstalling the application may fix this problem.

打开终端先运行：export QT_QPA_PLATFORM=xcb

就可以正常打开

解压.appimage，

解压 AppImage

1. 先给 AppImage 文件添加可执行权限（如果还没有）：

   chmod +x cad_assistant_1.6.0_2021-10-05_lin64.appimage
   

2. 在当前目录运行解压命令：

   ./cad_assistant_1.6.0_2021-10-05_lin64.appimage --appimage-extract
   

3. 完成后会生成一个名为 squashfs-root 的文件夹，里面就是完整的程序内容，

4. 语言文件目录：squashfs-root/usr/share/cad_assistant/translations

5. 下载附件中文文件解压到语言文件目录中cadassistant_Chinese.zip

6. 重新打包appimage

   下载 appimagetool

   wget "https://github.com/AppImage/AppImageKit/releases/download/continuous/appimagetool-x86_64.AppImage"
   chmod +x appimagetool-x86_64.AppImage
   

./appimagetool-x86_64.AppImage squashfs-root cad_assistant_1.6.0_2021-10-05_lin64_Chinese.appimage

感谢大眼汉化