inspiring black-and-white watercolor and ink illustrative material, showing condo apartment flat partial floor plan

apartment aquarelle architectural architecture authentic building business concept condo condominium contract contractor decoration design detail development draw drawing drawn dwelling estate fashioned flat floorplans fragment freehand grey hand home house illustration illustrative inspirational inspire inspired inspiring interior investment management material old painting paper partial planning property real representation residential room school section shadows sketch sketching space spacial sweet texture walls watercolor