Based on my Ant Tunnel tileset, I started remodeling and titexturing it into different midi, Bone tunnel, already in the vault for a while, Organic tunnel, Snowy tunnel and Hive tunnel. They are all in their infancy. Some more are on the way. They have a lot of bugs and shortcomings, but I would love to get some feedback from you.
https://neverwintervault.org/project/nwn1/hakpak/tileset/quevy-tunnel
Here are some example screenshots.
If you have any suggestions or requests write here.
Here is what should be coming.