3D Warehouse is adding a new feature for verified companies like yours.
Your content is now stored within your company organization.
You can still manage your content as before and you can now invite others to manage your content too.
Checkout the help docs for more information.
The Library was built in the early 20th century. As the school grew bigger they added on to the library first trying to match the architecture and than change decided not to match the early architecture in later additions.