[SpikY_]

Hello folks, I have a mapping question. I would like to know, How People Attach/Merge other interiors with Different interiors (I am talking about merging Default GTA SA's Interiors). Any idea? Here are some pictures to make this question more clarified: http://imgur.com/a/WvhZq http://imgur.com/a/emTqO http://imgur.com/ovRF5xO

- These are the screenshots of Planning department interior, Look how mappers have merged that Stairs etc.