I encountered a problem with the procedural interstage. When I tried to make a Saturn V replica, whenever I decoupled the fairings around the MEM and CSM, they would seperate from my K-IVB. Aka the payload would seperate from the interstage plate. Imgur album: Link to it if it doesn't work for some reason. http://imgur.com/a/yjg9m#0 If you want you can have the .craft file, but it uses 4 mods... Other than that I really like this mod.