# Mechanical Drafters > Prepare detailed working diagrams of machinery and mechanical devices, including dimensions, fastening methods, and other engineering information. - Code: 17-3013.00 (O*NET-SOC; SOC 2018 17-3013) - Family: [Architecture & Engineering](https://foundation.org.ai/occupations#family-17), one of its 59 occupations - Tasks: 15 tasks (14 core and 1 supplemental) - Page: https://foundation.org.ai/occupations/17-3013.00 - JSON: https://foundation.org.ai/data/tasks/17-3013.00.json ## What the work is made of 1. Develop detailed design drawings and specifications for mechanical equipment, dies, tools, and controls, using computer-assisted drafting (CAD) equipment. Core task · Task 1447 · Rated by 80 people who do the job, July 2017 2. Produce three-dimensional models, using computer-aided design (CAD) software. Core task · Task 20964 · Rated by 81 people who do the job, July 2017 3. Lay out and draw schematic, orthographic, or angle views to depict functional relationships of components, assemblies, systems, and machines. Core task · Task 1455 · Rated by 80 people who do the job, July 2017 4. Modify and revise designs to correct operating deficiencies or to reduce production problems. Core task · Task 1452 · Rated by 79 people who do the job, July 2017 5. Review and analyze specifications, sketches, drawings, ideas, and related data to assess factors affecting component designs and the procedures and instructions to be followed. Core task · Task 1449 · Rated by 81 people who do the job, July 2017 6. Check dimensions of materials to be used and assign numbers to the materials. Core task · Task 1454 · Rated by 79 people who do the job, July 2017 7. Design scale or full-size blueprints of specialty items, such as furniture and automobile body or chassis components. Core task · Task 1453 · Rated by 81 people who do the job, July 2017 8. Compute mathematical formulas to develop and design detailed specifications for components or machinery, using computer-assisted equipment. Core task · Task 1450 · Rated by 80 people who do the job, July 2017 9. Coordinate with and consult other workers to design, lay out, or detail components and systems and to resolve design or other problems. Core task · Task 1448 · Rated by 81 people who do the job, July 2017 10. Confer with customer representatives to review schematics and answer questions pertaining to installation of systems. Core task · Task 1456 · Rated by 79 people who do the job, July 2017 11. Position instructions and comments onto drawings. Core task · Task 1451 · Rated by 81 people who do the job, July 2017 12. Supervise and train other drafters, technologists, and technicians. Core task · Task 1458 · Rated by 81 people who do the job, July 2017 13. Lay out, draw, and reproduce illustrations for reference manuals and technical publications to describe operation and maintenance of mechanical systems. Core task · Task 1459 · Rated by 81 people who do the job, July 2017 14. Draw freehand sketches of designs, trace finished drawings onto designated paper for the reproduction of blueprints, and reproduce working drawings on copy machines. Core task · Task 1457 · Rated by 81 people who do the job, July 2017 15. Shade or color drawings to clarify and emphasize details and dimensions or eliminate background, using ink, crayon, airbrush, and overlays. Supplemental task · Task 1460 · Rated by 81 people who do the job, July 2017 ## More in Architecture & Engineering - [Aerospace Engineering and Operations Technologists and Technicians](https://foundation.org.ai/occupations/17-3021.00): 11 tasks - [Aerospace Engineers](https://foundation.org.ai/occupations/17-2011.00): 16 tasks - [Agricultural Engineers](https://foundation.org.ai/occupations/17-2021.00): 14 tasks - [Architects, Except Landscape and Naval](https://foundation.org.ai/occupations/17-1011.00): 24 tasks - [Architectural and Civil Drafters](https://foundation.org.ai/occupations/17-3011.00): 28 tasks - [Automotive Engineering Technicians](https://foundation.org.ai/occupations/17-3027.01): 18 tasks - [Automotive Engineers](https://foundation.org.ai/occupations/17-2141.02): 25 tasks - [Bioengineers and Biomedical Engineers](https://foundation.org.ai/occupations/17-2031.00): 30 tasks - [Calibration Technologists and Technicians](https://foundation.org.ai/occupations/17-3028.00): 15 tasks - 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