You don't need a "community" to start a scene. You need five friends and one shared deadline. That's a scene. Everything else is decoration.
Here's how to actually run a small zine exchange with people you already know.
A theme gives people permission to make something. "Whatever you want" is paralyzing. "Things the internet forgot" is generative. Some good themes for first exchanges:
You don't have to enforce the theme. People can ignore it. The point is to give them something to push off from.
Three weeks is great. Two weeks is fine. One month is okay but people will wait until day 28. Pick a date, call it "the cutoff," and stick to it.
"Soft" means: if someone's a few days late, that's life. But the deadline still has to be a thing. Without it, nothing gets made.
For a first exchange, all-physical can be intimidating. Some people don't own a printer. Some people don't want to put their address out there yet. Consider:
Five people. Maybe ten. Definitely not thirty. Small groups have rhythm. Large groups have logistics. Logistics kill scenes.
If a lot of people want in, run multiple small exchanges in parallel instead of one big one.
If someone doesn't feel comfortable mailing, they can hand-deliver, send digital, or skip. The goal is participation, not enforcement. People come around to mail after the first envelope shows up at their door.
One person will make something exquisite. One person will make something on the back of a napkin at 11pm on the day of the deadline. Both are doing it right. Imperfect is alive.
The first exchange is always the hardest. Once people have done it once, they'll do it again.
Take a few photos. Make a tiny page or a folder. Years from now, your group will want to remember the time everyone made a zine about ghosts. The archive doesn't have to be public — even a shared folder is enough.
You can do all of this with Google Docs and a group chat — and people have, for decades. But Zine Exchange gives you the connective tissue: profiles, address handling (private), listings, opt-ins, group pages, and (eventually) mailing logistics. Use what helps. Ignore what doesn't.
Pick a theme. Set a deadline. Mail one envelope. That's a scene.