A Crafterspace. Like a hacker or maker space but with sewing machines and sergers and big tables for laying out patterns, and stations & tools for making jewelry, and fiber arts stuff and and and.
It isn't even an unworkable idea, it's just complex, and not something I could do by myself, or even with a bunch of volunteers. It would need a full blown LLC or NPO or something. I need to get down to Seattle Recreative and see how close to the concept they are.