Add allowfullscreen webkitallowfullscreen params

Look, I made a rainbow chair ??
I know, it is nothing special, but it is my first 3d-object ??
Sorry for off-topic.

That’s your first 3D object? It’s quite good and I like the chair haha ?? Thanks for trying out the site ??

Yes, it is my first 3d object ??

Your service is very interesting and useful.