3D Model Viewer is a simple example of using Model-Viewer project by Google.
You can watch your model on the browser or also in the space (if your device supported).
For experience AR mode, open it on your Mobile device.
There is nothing to install, just clone the repo and host it on your local machine.
If you need to add your 3D Model, Just add your model on the assets/models directory and also give it a .PNG for poster preview. after that, add a button for your model and add it in the slider which is on line 32 of index.html.
If you have python3 installed on your device try this command inside the directory
python3 -m http.server
and enjoy it on your local
OR
If you have nodeJS installed on your device Install http-server from NPM
npm install http-server
and inside directory run
http-server -c-1