Install libg3d-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libg3d-doc
Description:
LibG3D API documentation in HTML format
LibG3D is a framework for loading 3d model files from files or memory. It can also load associated data like textures. . This package contains the API documentation of the LibG3D library in HTML format.
Homepage: http://automagically.de/g3dviewer/
Version: 0.0.8-24
Section: universe/doc