Technical Drawing

Interior Design · Level 5  ·  6 Chapters

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What Technical Drawing covers

In this unit, you will be able to confidently use and care for essential drafting tools to create precise and professional technical drawings. You will master the skills to accurately draw geometric shapes, apply architectural symbols, and produce clear orthographic projections that bring your ideas to life. By the end, you’ll be ready to present detailed, well-organized drawings that meet real-world project standards with confidence and pride.

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Careers after Technical Drawing

When you master technical drawing, the precision and confidence you gain open doors across Kenya’s built-environment sector. Whether you join a bustling design studio, support a construction crew, or launch your own drafting service, your ability to turn ideas into clear, accurate drawings becomes a valued asset.

  • Architectural and interior design firms in Nairobi’s Central Business District - you select and use the right drafting tools to produce concept sketches, develop detailed floor plans, and create presentation boards that win client contracts.
  • Construction companies operating on the outskirts of Kiambu and Nakuru - you mount large drawing sheets, draw border lines and title blocks, and produce orthographic projections that guide site supervisors and tradespeople, earning a steady wage as a draughtsman.
  • Furniture workshops in Thika and Machakos - you apply geometric construction techniques and precise dimension lines to design custom cabinets and office fittings, allowing the workshop to quote accurate material costs and charge for bespoke pieces.
  • Hotel and resort renovation projects along the coast (Mombasa, Diani, Malindi) - you use architectural symbols and line types to communicate interior layout changes to contractors, ensuring timely completion and enabling you to earn project-based fees.
  • County planning and land-use offices in Kisumu and Eldoret - you prepare clear orthographic views and annotations for zoning applications, helping the office process permits efficiently while you receive a civil-service salary.
  • Self-employed freelance draughtsmen serving small-scale developers in Nakuru and Naivasha - you maintain your own set of drafting tools, keep them in top condition, and deliver polished drawings with proper title blocks and annotations, charging clients per drawing set or per hour.
  • Real-estate marketing agencies in Nairobi’s Westlands and Kilimani - you produce presentation-ready drawings that showcase property layouts to buyers, earning commissions or a fixed design retainer.
  • Community housing NGOs operating in Turkana and Kitui - you create simple, accurate floor plans using basic geometric shapes and dimensioning standards, helping the team secure funding and allowing you to receive project stipends.
  • Interior décor boutiques in Karen and Runda - you draw detailed elevation sketches with correct line types and symbols, enabling the boutique to offer design-consultation packages that generate additional revenue.
  • Technical training centers and vocational colleges in Embu and Meru - you demonstrate proper tool usage and maintenance to new learners, earning a teaching allowance while reinforcing your own expertise.

Your skill with drafting tools, symbols, and precise projections is the foundation for a thriving career in Kenya’s construction, design, and development landscape. Keep practicing, and watch those lines turn into real opportunities!

Chapters

What Technical Drawing covers: 54 main topics in 6 chapters

1. Determine tools and equipment

  1. 1.1 Introduction to technical drawing
  2. 1.2 Identification of manual drafting tools
  3. 1.3 Tools specification and selection
  4. 1.4 Application of Drafting tools
  5. 1.5 Maintenance of Drafting tools are maintained

2. Apply line types and symbols

  1. 2.1 Mounting drawing sheets
  2. 2.2 Identification of border lines and title blocks
  3. 2.3 Standards for lettering styles
  4. 2.4 Types of lines and their meanings
  5. 2.5 Architectural symbols
  6. 2.6 Importance of clarity in drawings
  7. 2.7 Application of drafting lines and architectural symbols
  8. 2.8 Dividing lines and circles into equal parts and ratios
  9. 2.9 Inscribing and circumscribing circles

3. Produce plane geometry

  1. 3.1 Construction of Geometric Forms
  2. 3.2 Construction of Angles
  3. 3.3 Measurement of Angles
  4. 3.4 Construction of scales
  5. 3.5 Geometric construction techniques
  6. 3.6 Labelling of Constructed figures
  7. 3.7 Presentation of Constructed figures

4. Produce orthographic projections

  1. 4.1 Identification of Drawing Lines
  2. 4.2 Line thickness and applications for technical clarity
  3. 4.3 Orthographic Projection Techniques
  4. 4.4 Principles of first angle and third angle projections
  5. 4.5 Views in orthographic drawings
  6. 4.6 Dimensioning and Lettering
  7. 4.7 Accurate dimensioning techniques for orthographic drawings
  8. 4.8 Standards for lettering styles and alignment
  9. 4.9 Construction of Orthographic Views
  10. 4.10 Techniques for freehand and scaled drawings
  11. 4.11 Freehand Drawing Techniques
  12. 4.12 Use of scale rulers and accuracy in scaled drawings
  13. 4.13 Interpretation of Orthographic Drawings
  14. 4.14 Standard conventions for orthographic projections
  15. 4.15 Application of orthographic views in architectural and interior design contexts

5. Apply dimensions and annotations

  1. 5.1 Types of dimensioning
  2. 5.2 Purposes of dimensions
  3. 5.3 Dimension line drawing
  4. 5.4 Placement of dimensions
  5. 5.5 Labelling of views, placements and materials
  6. 5.6 Annotations
  7. 5.7 Application of Standard notation and abbreviations

6. Produce pictorial drawings

  1. 6.1 Isometric Drawings
  2. 6.2 Techniques for producing isometric drawings as per conventions
  3. 6.3 Applications of isometric drawings in interior design and architecture
  4. 6.4 Axonometric drawing
  5. 6.5 Applications of axonometric drawings in interior design and architecture
  6. 6.6 Oblique Drawings
  7. 6.7 Distinctions between isometric and oblique views
  8. 6.8 Real world applications of oblique drawings
  9. 6.9 Perspective Drawings
  10. 6.10 Display of the pictorial drawings
  11. 6.11 Presentation of the pictorial drawings displayed.

Revise this unit

3 more for this unit

Beyond the syllabus

Other units in Module II