Technical drawing tool

Technical drawing tools are the tools used for technical drawing, including, and not limited to: pens, rulers, compasses, protractors, and drawing utilities. Drawing tools may be used for measurement and layout of drawings, or to improve the consistency and speed of creation of standard drawing elements. The tools used for manual technical drawing have been displaced in use by the advent of the personal computer and its common utilization as the main tool in computer-aided drawing, draughting and design, CADD.