Model would not need to be scaled and moved, groupings should be decided by voluntary interests, and methodology chosen by symposium, I recommend football fields, since they have occupancy of 10 thousands. Likely cities would be early adopters, or your group needs to acquire large plots in a near area and expand as new members join. https://steemit.com/anarchy/@zev/a-practical-solution-for-the-anarchist-and-new-age-voluntarists