The workout room. It's small, but it can accommodate a small class of people. I probably will have this overlooking the basketball court, just for the view.
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.
