top-view of architectural plans for building a house and miniature building models for engineering or blueprints with tools

built structure rooftop vanishing point pencil planning house horizontal indoors architecture engineering engineer photography color image architectural model diminishing perspective ideas blueprint aerial view architect imagination home addition composition tape measure drawing activity small tree desk plan document nature no people interior development facade creativity concepts insulation environment busy building exterior residential public housing design ownership prefabricated selective focus construction industry technique object beginnings