the ink-jet and laser printers are commonly used for large-format printing. Although colour printing is now commonplace, it remains expensive above A3 size, and architect's working drawings still tend to adhere to the black and white / greyscale aesthetic. See also Architectural model Copyright in architecture in the United States Drawing Engineering drawing Layers in a standard architectural drawing Linear scale List of museums with major collections of European prints and drawings Museum for Architectural Drawing, Berlin, Germany Multiview orthographic projection Preservation: Library and Archival Science Structural drawing Technical drawing References Drawing Technical drawing