Clarification on rules. I would hate for anyone to be disqualified but I am pretty sure there are no borders and or post processing of images. aka photoshop. A couple of entries use have the background color desaturated. Personally, I don't care but am not sure if this is allowed. Also what...
No blue prints. I just welded it together with steel I had. Stainless steel would make it easier but much more expensive. The steel was cleaned and cold galvanized. I let that dry and coated it with 2K clear. It is a two part urethane with UV inhibitors. It should last about 15 years...
The most common mistake people make is not changing the film speed, (ie ASA or ISO). The camera can be set to take properly exposed images but it has no idea what they are. You need to have your film speed set around 800-1600. Focusing distance could be a problem as well. I would say it is...