If the origin is set to the center of the screen for a small 3d element
that's near the top or bottom, then it looks out of place and can't be
scrolled to fit nicely in view. Adjust the origin to stay inside the
bounds of the viewport when scrolled to the edge of the screen in this
case.
Implement a Viewport component and associated update script that allows
rendering 3d content inside it. This is based on the implementation
used at Furnavia for their 2025 website.
