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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. Prepare 3D environment
   • Coordinate system is established to job requirement.
   • Orientation is established to job requirement.
   • Views are established to job requirement.
2. Create and modify 3D model
   • Entities are created in 3D space to job requirement.
   • Entities are manipulated in 3D space to job requirement.
   • Surfaces are created in 3D space to job requirement including ruled and revolved.
   • Existing 3D model is modified to job requirement.
3. Produce output from 3D model
   • File is saved in various formats for retrieval as per standard operating procedures.
   • Physical properties are extracted to job requirement including volume, mass and centre of gravity.

Required Skills

Required skills

Look for evidence that confirms skills in obtaining relevant job instructions specifications etc creating the appropriate entities in D space manipulating the entities in D space creating ruled and revolved surfaces in D space modifying where appropriate existing D models saving drawing files in the appropriate format extracting the physical properties of shapes created in D space from the drawing file to meet job requirements reading interpreting and following information on written job instructions specification standard operating procedures charts lists drawings and other applicable reference documents checking and clarifying task related information checking for conformance to specifications undertaking numerical operations geometry and calculationsformulae within the scope of this unit

Required knowledge

Look for evidence that confirms knowledge of purpose for which the D model is to be developed appropriate coordinate system for the job reasons for selecting the chosen coordinate system orientation of the model with respect to the coordinate system number of views required to establish the model procedures for creating entities in D space the entities that can be createdmanipulated in D space procedures for manipulating entities in D space procedures for creating ruled and revolved surfaces in D space applications of ruled and revolved surfaces procedures for modifying existing D models procedures for saving drawing files the various formats in which drawing files can be saved reasons for using different formats when saving drawing files procedures for extracting data with respect to the physical properties of shapes created in D space the physical properties of shapes created in D space that can be extracted from the drawing file hazard and control measures associated with using computer aided design system including housekeeping safe work practices and procedures

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 create D models using computer aided design systems 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 creating D models using computer aided design systems 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.

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