This is my personal gentoo overlay to fit my 3D addict needs.
All packages in my overlay are usable but not enough tested to be considered stable. Keywords have to be set in /etc/portage/package.accept_keywords if your system is globally set on a stable keyword.
eselect repository enable lastrodamo
layman -fa lastrodamo
[lastrodamo]
# Set the priority you wish to use
priority = 1000
location = /path/to/lastrodamo-overlay
sync-type = git
sync-uri = https://codeberg.org/lastrodamo/gentoo-overlay.git