Here you can see the spacing I can use with the art wing flipped. Using this I am able to start developing better sketches and ideas about the setup of the indoor area in correlation with the outdoor area.
What should I upload in this Develop Solutions step?
Consider uploading images (JPG, GIF) of your rough digital model. It's ok if your model is still a work in progress. Show an axonometric or perspective view with people, which will help others understand the scale of your library.