Grade 12 - Drafting Fundamentals

PRESCRIBED LEARNING OUTCOMES

• use appropriate drafting and design terminology to communicate effectively
  
• select, present, and respond to drawings and design solutions in a variety of suitable visual formats and media
  
• consistently apply drawing standards and conventions, including those related to:
  
  • layout and set-up of drawings
    
  • line types
    
  • dimensioning styles
    
  • nomenclature
    
• create complex drawings including sketches, orthographic projections, pictorials, working drawings, and development drawings
  
• prepare drawing details, including auxiliary views, sections, threads and fasteners, tolerances, and surface finishes
  
• identify and develop the components of working drawings including bill of materials and schedules
  
  
  

SUGGESTED INSTRUCTIONAL STRATEGIES

• Have students create and maintain a glossary of new terms, containing definitions and examples of usage.
  
• To enhance students' fundamental drafting skills, assign projects that require the use of a combination of particular skills. For example, have students use orthographic projection to draw a counter- or wall-mounted container to hold books, CDs, VHS tapes, or DVDs. To increase the scope of the activity, have students model the item in 3D and extract the views from the model; or produce a technical visualization that demonstrates how the model functions.
  
• The following assignments/projects combine a number of fundamental drafting skills. Ask students to complete a set of working drawings for:
  • a small metalwork or woodwork tool
    
  • a complex machine part
    
  • a small wood furniture item containing a cabinet and drawer (e.g., a bedside table)
    
  • a clothing pattern
    
  Provide exemplary working drawings that students can refer to as they develop their own.
• Assign holistic projects that integrate a number of skill and knowledge requirements. Have students, in groups, define a real-world problem, use design and problem-solving processes (applying drafting fundamentals), and market the final solution. Possible projects include:
  • a wooden storage container designed for a specific use
    
  • a public transportation system or vehicle
  • a residential home, townhouse complex, high-rise condominium that may include a site plan, floor plans, elevations, sections, details, 3D interior and exterior views, and a sales brochure or advertisement.
    
    

SUGGESTED ASSESSMENT STRATEGIES

• In the application of drafting fundamentals, look for evidence that students:
  • are aware of the range of options available to them with respect to media (e.g., papers, drawing tools)
    
  • select appropriate media for their intended task
    
  • select an appropriate format for their solution
  • choose appropriate viewing angles that best represent the object
    
  • employ appropriate techniques to execute the drawings
    
  • work at a reasonable speed
    
  • produce legible sketches with appropriate proportions
    
  • provide appropriate detail.
    
• As students examine sample drawings, to what extent are they able to:
  
  • identify the standards used (ISO, ANSI)
    
  • describe techniques used?
    
• Have students produce a complex 3D model. Note the extent to which they are able to extract and correctly place orthographic and pictorial views, and complete drawings to industry standards. Can the model or prototype be built from the supplied information?
  
  

RECOMMENDED LEARNING RESOURCES

 Print Materials

• Applying AutoCAD 2000
  
• Architecture: Drafting and Design
  
• Architecture: Residential Drawing and Design
  
• Basic Technical Drawing
  
• British Columbia Building Code
  
• Canadian Wood-Frame House Construction
  
• Design Drawing
  
• Engineering Drawing and Design
  
• Freehand Sketching for Engineering Design
  
• Mechanical Drawing CAD - Communications
  
• National Housing Code of Canada
  

 Software

• 3ds max 4.0
  
• AutoCAD 2000i
  
• AutoCAD LT 2000i
  
• Autodesk Inventor 4
  
• Chief Architect V7.0
  
• RenderWorks
  
• SolidBuilder Q1 2001
  
• Solid Edge
  
• VectorWorks

 CD-ROM

• Architectural Graphic Standards (also available in print)
  
• CADDEX AutoCAD R2000 Resource Library

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