This L shaped building helps to expand the options of the basic buildings above. It allows for building more complex shaped larger buildings. The two long walls have windows, the two short outer walls have doors, and the two short inner walls (that form the corner into the L) are solid, unless specified differently for the extra floor
The building itself is roughly 8″ x 8″, the roof an supports stick out further and are roughly 8 1/2″ x 8 1/2″. The building as a whole stands roughly 4″ tall.