This Architectural Drawing is AutoCAD 2d drawing of 2D cad blocks of basin and sink in AutoCAD, dwg file. A sink, also known by other names including sinker, washbowl, hand basin, wash basin and simply basin, is a bowl-shaped plumbing fixture for washing hands, dishwashing, and other purposes. Sinks have a tap (faucet) that supply hot and cold water and may include a spray feature to be used for faster rinsing.