I like .ply, it's an easy format that supports vertex colors! .ply files are often used for point clouds, so it could be good to consider point cloud rendering when importing .ply files as well.

Might be able to find a nice library for this on here:
https://github.com/nothings/single_file_libs

It doesn't make sense to have the qemu setup as part of install_deps.sh. If someone wants virtualization because they can't build ILLIXR natively, install_deps.sh might fail before they get to the qemu step. They can say "no" to all the other installs but have to say "yes" to install_apt_deps and that has a lot of other dependencies that may or may not install correctly. So there shoul