How to make a 3D model in QGIS using the QGIS2threejs extension

This plugin visualizes DEM and vector data in 3D on web browsers. You can build various kinds of 3D objects and generate files for web publishing in a simple procedure. In addition, you can save the 3D model in glTF format for 3DCG or 3D printing. The extension adds a new tool to the QGIS toolbar that enables the configuration and exportation of vector and raster layers to an HTML file that contains the 3D model and can be viewed in a web browser. With this extension, geographic data can be easily, quickly, and highly customized in 3D visualization.