Computer Aided Design CAD Techniques Revision — Excellence, Achievement & Learning Limited Occupational Qualification
Understand the Risks to Health and Safety Associated with the Use of Computer Equipment and Associated Peripheral Devices, Understand How to Manage Stored Data Files Effectively and Configure a CAD System to meet task requirements, Understand the Requirement of CAD Drawings and Designs to Comply with National and International Standards and Conventions, Understand How to Use a CAD System for the Production of Complex Two Dimensional (2D) Engineering Drawings and Designs, Understand How to Modify, Copy, Manipulate and Erase Drawn Entities, Understand How to Use a CAD System for the Production of Basic Three Dimensional (3D) Models and Realisations, Understand How to Output CAD Data to Peripheral Devices
Exam Tips
- Practice common commands (line, trim, offset, extrude).
- Know standard drawing conventions (projection, title blocks).
- Understand file extensions (.dwg, .dxf) and their uses.
Common Mistakes
- Incorrect layer management or line types.
- Not saving files in correct formats or backing up.
- Poor dimensioning or non-compliance with standards.
Key Marking Points
- Understand health and safety risks of computer use and manage them.
- Configure CAD system and manage data files effectively.
- Produce 2D drawings complying with BS and ISO standards.
- Create basic 3D models using extrusion, revolution, etc.
- Output drawings to printers or plotters correctly.