This application was hosted incorrectly: ../shared/app.css could not be found.
Make sure you're hosting the entire project root, and not just this folder. The url you're using to access this file should look something like http://localhost:8080/workshop/index.html.
This is an experiment using augmented reality features with the WebXR Device API on your smartphone. Upon entering AR, You will be able to see the model.
Start augmented realityYour browser does not support AR features with WebXR. Use Smartphones with Ar core Elements application installed in it.