Qgis2threejs plugin is a QGIS plugin, which visualizes DEM data and vector data in 3D on a web view.
Document:
https://qgis2threejs.readthedocs.io/
Demo:
https://qgis2threejs-examples-24.netlify.app/forest_basins.html
Qgis2threejs - a plugin for QGIS to web view