There are numerous homeless shelter designs currently on the internet, some are good, some are simply not practical. It also seems that there are only a few designs that have actually made it to market and are being manufactured. I suspect this is because it’s simply not commercially viable to design, develop and manufacture a product which is given to the end user for free. We don’t have to go into this though.
Find below my preliminary market research to see what’s currently out there. In no particular order.