There's a bunch of "preliminary" apollo drawings at https://apollopreliminarydrawings.com/ https://apollopreliminarydrawings.com/ They show the apollo command m

There's a bunch of "preliminary" apollo drawings at https://apollopreliminarydrawings.com/ https://apollopreliminarydrawings.com/ They show the apollo command module designs that North American Aviation came up with before they were approved for a contract.