D&D 5E Is there a market or any interest in something like this

[Sorcerers Apprentice]

Could you give me a link? I would love to see some others peoples work.

Check out the Cartographer's Guild, a forum dedicated to mapmaking. It's got everything from beginning amateurs to professionals posting, and a lot of tutorials and showcases of finished maps.
https://www.cartographersguild.com/

 

[MNblockhead]

Check out the Cartographer's Guild, a forum dedicated to mapmaking. It's got everything from beginning amateurs to professionals posting, and a lot of tutorials and showcases of finished maps.
https://www.cartographersguild.com/

I second this. This is also a good place to get in touch with people looking to commission custom maps. This is where I found the cartographer I used.