this is VERY rough and hacked together in a couple hours

it may not work exactly right for you

this thing is designed to work with tmux 3.4+

1. cargo install --git https://github.com/cgsdev0/termsand
2. download sand.sh to somewhere
3. bind it to a key in your tmux.conf like this:

bind-key e run-shell "./sand.sh"

and then maybe it will work

good luck have fun