Computer Aided Drawing

Welding Technology · Level 6  ·  6 Chapters

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What Computer Aided Drawing covers

In this unit, you will be able to confidently use computer-aided drawing software to create precise and professional technical drawings that meet real-world standards and customer needs. You will learn to select the right tools and templates, apply industry symbols and conventions, and construct accurate geometrical and orthographic drawings. By the end, you’ll be equipped to bring complex designs to life digitally, preparing you to contribute effectively in any technical or engineering environment.

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Careers after Computer Aided Drawing

Mastering CAD for welding gives you a powerful tool that many Kenyan industries rely on to turn ideas into steel structures, machines, and products. Whether you join a large fabrication yard, support a construction crew, or start your own drafting service, the ability to create precise, standards-compliant drawings is in high demand across the country.

  • Metal-fabrication workshops in Kiambu and Machakos - you set up the right workstations and choose industry-standard CAD software, then produce detailed welding layouts that guide cut-and-weld teams, earning a steady wage as a CAD drafter or a per-project fee.
  • Construction firms building roads and bridges in Nakuru County - you develop orthographic and pictorial drawings of steel girders and trusses, using first- and third-angle projection to communicate with site supervisors, and receive a salary or contract payment for each set of approved plans.
  • Ship-repair yards along the Mombasa harbor - you import existing ship-yard CAD files, apply marine-specific symbols and codes, and edit drawings to match client modifications, earning hourly rates for the specialized marine drafting work.
  • Agricultural-machinery workshops in Eldoret and Kitale - you create geometric and trigonometric angle drawings for custom tractor implements, ensuring parts fit perfectly, and you are paid either a fixed design fee or a share of the manufacturing profit.
  • Mining-equipment manufacturers in Kitui and Kakamega - you assemble orthographic and pictorial views of heavy-duty frames, explode the views to show assembly sequences, and receive a professional drafter’s salary or per-drawing commission.
  • Small-scale metal-art studios in Nairobi’s Westlands - you develop pictorial drawings that translate artistic concepts into weldable structures, saving the files in client-friendly formats and earning income from each commissioned artwork.
  • Freelance CAD service providers serving rural contractors - you select lightweight, affordable CAD packages, use templates to speed up work, and deliver accurate drawings via email or cloud storage, charging clients per drawing or per hour.
  • Engineering consultancies handling infrastructure projects in Kisumu - you apply national drawing standards, symbols, and abbreviations to produce comprehensive welding schematics that become part of tender documents, earning a professional consultancy fee.
  • Technical training centers in Thika and Nakuru - you teach new apprentices how to construct geometric forms and explode views, supplementing your income with teaching allowances or workshop fees.

Your CAD expertise will let you move confidently between these workplaces, command competitive pay, and even launch your own drafting business - making you an essential link between design ideas and the steel that builds Kenya’s future. Keep sharpening those skills; every line you draw brings you closer to a rewarding career on the shop floor, the construction site, or your own studio.

Chapters

What Computer Aided Drawing covers: 41 main topics in 6 chapters

1. Navigate CAD software

  1. 1.1 Overview of CAD
  2. 1.2 Computing Equipment and Software
  3. 1.3 Drawing CAD Software
  4. 1.4 CAD Software Templates
  5. 1.5 Importing CAD Files
  6. 1.6 User Interface Navigation
  7. 1.7 Setting Up the Drawing Environment
  8. 1.8 Symbols, Codes, and Standards
  9. 1.9 Understand and utilize drawing Elements
  10. 1.10 Use editing commands Editing Tools

2. Produce geometric drawings

  1. 2.1 Setting Drawing Lines
  2. 2.2 Using drawing lines
  3. 2.3 Constructing Types of Angles
  4. 2.4 Constructing Geometrical Forms
  5. 2.5 Developing Geometric Drawings

3. Produce pictorial drawings

  1. 3.1 Drawing Symbols and Abbreviations
  2. 3.2 Producing Pictorial Drawings
  3. 3.3 Saving Pictorial Drawings

4. Produce orthographic drawings

  1. 4.1 Fundamentals of Orthographic orthographic Projection drawings
  2. 4.2 Types of Orthographic Projections
  3. 4.3 Understanding Views
  4. 4.4 First Angle Orthographic Drawings
  5. 4.5 Third Angle Orthographic Drawings
  6. 4.6 Saving Orthographic Drawings
  7. 4.7 Dimensioning Orthographic Views
  8. 4.8 Printing orthographic views
  9. 4.9 Creating isometric drawing
  10. 4.10 Creating 3D model

5. Produce assembly drawings

  1. 5.1 Overview of Assembly Drawings assembly
  2. 5.2 Types of Assembly Drawings
  3. 5.3 Exploding Orthographic Views
  4. 5.4 Exploding Pictorial Views
  5. 5.5 Assembling Views
  6. 5.6 Producing Sectional Views
  7. 5.7 Developing Parts List

6. Design mechanical components

  1. 6.1 Designing Mechanical Components
  2. 6.2 Applying CAE in Simulation
  3. 6.3 Determining Improvements
  4. 6.4 Creating a Manufacturing Database
  5. 6.5 Improving Design Documents
  6. 6.6 Practical Activity

Practise this unit

Revise this unit

3 more for this unit

Beyond the syllabus

Other units in Module VI