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Follow the links below to find material targeted to the unit's elements, performance criteria, required skills and knowledge

Elements and Performance Criteria

1. Set up a three dimensional environment
   • Set up a three dimensional environment on the screen to allow multiple viewing.
2. Create three dimensional views
   • Three dimensional views are created on the screen by manipulation of drawing planes and insertion of three dimensional geometric shapes.
   • Any plane of the three dimensional view is drawn on.
   • Editing functions are used to modify three dimensional geometric shapes in creating three dimensional views.
3. Display three dimensional views
   • Wire line, surface and solid face displays are produced in isometric, perspective and orthographic projections.
4. Extract mass and area properties of a 3D model
   • The mass and surface area of a given solid model made from a nominated material is extracted.
5. Apply basic rendering techniques to a 3D model
   • A solid model is rendered to a specified set of criteria.
6. Save completed drawing file in various formats
   • File is saved in an appropriate format to enable retrieval and use in a CAD system.
   • File is saved in other formats to enable retrieval in other software applications.

Required Skills

Required skills

Look for evidence that confirms skills in reading and interpreting engineering specifications organising information using computer and peripherals using CAD program saving D modes in various file formats preparing drawings in plane orthogonal isometric projection or equivalent

Required knowledge

Look for evidence that confirms knowledge of region modelling techniques solid modelling techniques development of sectioned models use of cutting plane use of cross hatching use of predrawn library files and primitives to produce a D model use of third level software to produce D models how to extract mass and area properties how to extract area properties from region models application of basic rendering techniques to a D model

Evidence Required

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge range statement and the Assessment Guidelines for the Training Package
Overview of assessment	A person who demonstrates competency in this unit must be able to use CAD to create and display D models Competency in this unit cannot be claimed until all prerequisites have been satisfied
Critical aspects for assessment and evidence required to demonstrate competency in this unit	Assessors must be satisfied that the candidate can competently and consistently perform all elements of the unit as specified by the criteria including required knowledge and be capable of applying the competency in new and different situations and contexts
Context of and specific resources for assessment	This unit may be assessed on the job off the job or a combination of both on and off the job Where assessment occurs off the job that is the candidate is not in productive work then an appropriate simulation must be used where the range of conditions reflects realistic workplace situations The competencies covered by this unit would be demonstrated by an individual working alone or as part of a team The assessment environment should not disadvantage the candidate This unit could be assessed in conjunction with any other units addressing the safety quality communication materials handling recording and reporting associated with using CAD to create and display D models or other units requiring the exercise of the skills and knowledge covered by this unit
Method of assessment	Assessors should gather a range of evidence that is valid sufficient current and authentic Evidence can be gathered through a variety of ways including direct observation supervisors reports project work samples and questioning Questioning techniques should not require language literacy and numeracy skills beyond those required in this unit of competency The candidate must have access to all tools equipment materials and documentation required The candidate must be permitted to refer to any relevant workplace procedures product and manufacturing specifications codes standards manuals and reference materials
Guidance information for assessment

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Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.
Multiple viewing	Includes top views, front and side views, and a general three dimensional view
Three dimensional geometric shapes	May include arcs and lines, spheres, cones, cylinders and boxes

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