Thin, dark line with arrowheads on each end that indicates the direction and size of an object or feature on an object.
dimension line
The thin, dark line with arrowheads on each end that indicates the direction and size of an object or feature on an object is known as a dimension line. The dimension line is an important element in technical drawings, such as engineering and architectural drawings, because it provides critical information about the size and location of various components in a design.
The arrowheads on each end of the dimension line indicate the extent of the measurement, showing where the dimension starts and ends. The length of the dimension line indicates the size of the feature being measured, while the number placed at the center of the line provides a clear indication of the exact size in a standard unit of measurement such as inches or millimeters.
Dimension lines are typically drawn at a right angle to the features being measured and are often accompanied by additional annotations or symbols to indicate special features or tolerances for manufacturing. Overall, a dimension line is a vital part of technical drawings, as it provides a clear and precise way of communicating critical dimensions and features to others who are responsible for producing or handling the object in question.
More Answers:
Understanding the Purpose and Usage of an Engineer’s Scale in Engineering, Architecture and ConstructionUnderstanding Residential Plan Drawings: Scale and Measurement Explained.
The Importance of Extension Lines in Technical Drawing and Engineering Design