SAQA All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.
SOUTH AFRICAN QUALIFICATIONS AUTHORITY 
REGISTERED UNIT STANDARD THAT HAS PASSED THE END DATE: 

Set up and prepare 3D model space and produce a 3D model 
SAQA US ID UNIT STANDARD TITLE
120199  Set up and prepare 3D model space and produce a 3D model 
ORIGINATOR
SGB Manufacturing and Assembly Processes 
PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY
-  
FIELD SUBFIELD
Field 06 - Manufacturing, Engineering and Technology Engineering and Related Design 
ABET BAND UNIT STANDARD TYPE PRE-2009 NQF LEVEL NQF LEVEL CREDITS
Undefined  Regular  Level 3  NQF Level 03  6 
REGISTRATION STATUS REGISTRATION START DATE REGISTRATION END DATE SAQA DECISION NUMBER
Passed the End Date -
Status was "Reregistered" 		 2018-07-01  2023-06-30  SAQA 06120/18 
LAST DATE FOR ENROLMENT LAST DATE FOR ACHIEVEMENT
2024-06-30   2027-06-30  

In all of the tables in this document, both the pre-2009 NQF Level and the NQF Level is shown. In the text (purpose statements, qualification rules, etc), any references to NQF Levels are to the pre-2009 levels unless specifically stated otherwise.  

This unit standard does not replace any other unit standard and is not replaced by any other unit standard. 

PURPOSE OF THE UNIT STANDARD 
Learners who are entering the field of 3D computer aided design require the skills, values and knowledge reflected in this unit standard.
The unit standard covers the basic commands needed to draw simple 3D models. Learners who have completed this unit standard will be able to set up a 3D model and paper space area and draw a basic 3D model. 

LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
It is assumed that learners are competent in:
  • Communication, Mathematical Literacy and Computer Literacy at NQF Level 3.
  • The unit standards:
  • "Set up a drawing sheet and draw a basic 2D drawing" at NQF Level 2.
  • "Annotate, dimension and cross-hatch drawings" at NQF Level 2.
  • "Name define and create groups, blocks, symbols, externally referenced objects, model space and paper space" at NQF Level 2. 
    		•

    UNIT STANDARD RANGE 
    This unit standard focuses on the principles of 3D designs and on the use of the correct commands, tools and features to perform the required tasks. 

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Prepare and set up a 3D design environment. 
    OUTCOME RANGE 
    3D CAD software. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The settings are formatted for displaying of solids. 
    ASSESSMENT CRITERION RANGE 
    Solid filled display and form-building edges display.
     

    ASSESSMENT CRITERION 2 
    The ACIS settings are formatted for degenerative faceting and faceter mode. 

    SPECIFIC OUTCOME 2 
    Display a 3D model in either solid or surface format by changing the definition settings. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The difference is indicated between a solid and a surface. 

    ASSESSMENT CRITERION 2 
    A model is presented using settings and appropriate values. 
    ASSESSMENT CRITERION RANGE 
  • Approximation lines.
  • Latitudinal Segments.
  • Longitudinal Segments.
  • Smooth on/off.
  • Spiral switch, sections per spiral coil and number of coil per spiral.
     
    		•

    SPECIFIC OUTCOME 3 
    Identify and apply the correct spatial or pre-set coordinate system in the 3D model space. 
    OUTCOME RANGE 
    This include functions and facilities of work planes and user coordinate systems (UCS). 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The Cartesian and polar coordinate system are applied when starting a design. 
    ASSESSMENT CRITERION RANGE 
    Relative and absolute Cartesian, fixed relative origin system, world and user coordinate system.
     

    ASSESSMENT CRITERION 2 
    A user defined X-Y-Z plane is drawn upon. 

    ASSESSMENT CRITERION 3 
    Fixed relative origin is described during the design. 

    ASSESSMENT CRITERION 4 
    A work plane is displayed in model space. 
    ASSESSMENT CRITERION RANGE 
    This also includes definition of work plane, UCS by facet, 3 points and by world (plan) view.
     

    ASSESSMENT CRITERION 5 
    The origin of an existing work plane or UCS is relocated. 

    ASSESSMENT CRITERION 6 
    A work plane or UCS is set by active (current) view. 

    ASSESSMENT CRITERION 7 
    A named work plane or UCS is created and restored. 

    SPECIFIC OUTCOME 4 
    Create 3D objects using 2D profiles and view or display the model in a standard or isometric view. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    A 3D object is designed, viewed and displayed in the appropriate view according to set requirements. 
    ASSESSMENT CRITERION RANGE 
    Views include Front, Side, Back/Rear, Top/Plan, Bottom, Isometric South east and west, Isometric north east and west.
     

    ASSESSMENT CRITERION 2 
    A 2D closed profiles are extruded to a height or depth to produce a 3D surface or solid model. 

    ASSESSMENT CRITERION 3 
    A 2D/3D polyline is drawn in the design process. 

    ASSESSMENT CRITERION 4 
    A 2D Boolean features are used to create closed profiles. 
    ASSESSMENT CRITERION RANGE 
    Add, subtract, intersect.
     

    ASSESSMENT CRITERION 5 
    Polylines are joined to create closed profiles. 

    SPECIFIC OUTCOME 5 
    Select objects in 2D and 3D model space using the selection criteria. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    3D selector properties are used to select objects. 

    ASSESSMENT CRITERION 2 
    3D selector shell is used when making the selection. 

    ASSESSMENT CRITERION 3 
    2D/3D toggle functions are used in the selection process. 


    UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS 
  • Anyone assessing a learner or moderating the assessment of a learner against this unit standard must be registered as an assessor with the relevant Education, Training, Quality, Assurance (ETQA) Body, or with an ETQA that has a Memorandum of Understanding with the relevant ETQA.
  • Any institution offering learning that will enable the achievement of this unit standard must be accredited as a provider with the relevant Education, Training, Quality, Assurance (ETQA) Body, or with an ETQA that has a Memorandum of Understanding with the relevant ETQA.
  • Assessment and moderation of assessment will be overseen by the relevant Education, Training, Quality, Assurance (ETQA) Body, or by an ETQA that has a Memorandum of Understanding with the relevant ETQA, according to the ETQA's policies and guidelines for assessment and moderation.
  • Moderation must include both internal and external moderation of assessments, unless ETQA policies specify otherwise. Moderation should also encompass achievement of the competence described in the Unit Standard.
  • Anyone wishing to be assessed against this unit standard may apply to be assessed by any assessment agency, assessor or provider institution that is accredited by the relevant ETQA. 
    		•

    UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE 
    Names and Functions:
  • Layers.
  • Line/Circle geometry.
  • Selection tools.
  • Modification tools.
  • Annotations.
  • 3D Solids.
  • 2D Surfaces.
  • Boolean functions.
  • Workplanes.
  • Standard and Isometric views.
  • Hidden Line and Rendered views.

    Attributes, descriptions, characteristics and properties:
  • Volume.
  • Material properties.
  • Center of gravity.
  • Moments of inertia.

    Sensory cues:
  • Good visual judgement to assess the design integrity.
  • Good communication skills to communicate ideas and solve design problems (design synergy).
  • Spatial perception and orientation.

    The purpose of:
  • Preparing of sketch, model and printing area.
  • Different orthographic and isometric views.
  • Dimensioning and annotation.
  • Data fields, coordinate fields, status bar and command line.

    Processes, events, causes and effects, implications:
  • Incorrect dimensions.
  • Incorrect labelling and annotation.
  • Scale ratios.
  • Incorrect display of projection lines. 
    		•

    UNIT STANDARD DEVELOPMENTAL OUTCOME 
    N/A 

    UNIT STANDARD LINKAGES 
    N/A 


    Critical Cross-field Outcomes (CCFO): 

    UNIT STANDARD CCFO WORKING 
    Work effectively with others
  • Work as part of a team discussing, evaluating, questioning and solving problems and statements. 
    		•

    UNIT STANDARD CCFO ORGANISING 
    Organise and manage myself and my activities
  • Plan and exercise time planning to perform the task of drawing a component to specifications. 
    		•

    UNIT STANDARD CCFO COLLECTING 
    Collect, analyse, organise and critically evaluate information
  • Use the information to plan a drawing process to optimise time spent on drawing. 
    		•

    UNIT STANDARD CCFO COMMUNICATING 
    Communicate effectively
  • Demonstrate an understanding that a drawing is a communication tool to communicate an important technical data to the end users. 
    		•

    UNIT STANDARD CCFO DEMONSTRATING 
    Demonstrate an understanding of the world as a set of related systems
  • Demonstrate the ability to see the relationship between computer aided drawing and the actual design of objects. 
    		•

    UNIT STANDARD ASSESSOR CRITERIA 
    N/A 

    REREGISTRATION HISTORY 
    As per the SAQA Board decision/s at that time, this unit standard was Reregistered in 2012; 2015. 

    UNIT STANDARD NOTES 
    N/A 

    QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Core  66071   Further Education and Training Certificate: Computer Aided Drawing Office Practice (CAD)  Level 4  NQF Level 04  Passed the End Date -
    Status was "Reregistered"     		 2023-06-30  CETA 
    Elective  50018   Further Education and Training Certificate: Computer Aided Drawing Office Practice  Level 4  NQF Level 04  Passed the End Date -
    Status was "Registered"     		 2009-02-09  Was CETA until Last Date for Achievement 


    PROVIDERS CURRENTLY ACCREDITED TO OFFER THIS UNIT STANDARD: 
    This information shows the current accreditations (i.e. those not past their accreditation end dates), and is the most complete record available to SAQA as of today. Some Primary or Delegated Quality Assurance Functionaries have a lag in their recording systems for provider accreditation, in turn leading to a lag in notifying SAQA of all the providers that they have accredited to offer qualifications and unit standards, as well as any extensions to accreditation end dates. The relevant Primary or Delegated Quality Assurance Functionary should be notified if a record appears to be missing from here.
     
    1. African Academey for the Built Environment NPC 


    All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.