This unit of competency describes the knowledge and skills required to use computer aided drafting (CAD techniques to prepare complex 2D and 3D representations of products or components for engineering applications. The unit includes the creation of 2D and 3D views, solid modelling and rendering techniques, manipulations of shapes, movement through space, editing, files management and producing hardcopy output.

Unit details

Study level:
Vocational and further education (TAFE)
Unit code:


Assessment tasks will be designed to reinforce and extend knowledge and skill competence within set and controlled parameters in accordance with each unit's learning outcomes and performance criteria requirements, including the setting of work based practical application tasks designed to provide evidence of competence outcomes, within periodic and scheduled timelines. Students will be expected to demonstrate the following required skills: - consulting and coordinating drawing task with other relevant personnel; - setting up and using a CAD system; - applying the key features of a CAD program to prepare complex 2D and 3D images; - produce hardcopy of drawing images, and; - saving files in various formats to enable retrieval in other software applications.Students will also be expected to demonstrate the following knowledge: - designing applications; - areas, perimeters, volumes, angles, starting, ending, other controlling points; - using other commercial programs; - editing, file manipulation, design drafting; - inbuilt design and data handling; - spreadsheets, bill of material, data base, programming languages; - manipulation of shapes; - complex lines and arcs, splines, special single entity multiple lines, unique involute profiles, Archimedean profiles; - multiple three dimensional views; - setting up the environment on screen, top view, front and side views, three dimensional views; - movement through space; - drawing on any created views, relocating coordinate system as necessary; - creation of three dimensional complex views by manipulation of drawing planes and location of geometric shapes; - use of editing function to facilitate modification of geometric shapes in completion of a three dimensional view; - display of three dimensional view: wire line, solid face, isometric, perspective and orthographic; - use of assembly drawing file for plotting; - theory of the terminology associated with modelling; - region modelling techniques; - solid modelling techniques; - rendering types and preferences; - rendering techniques and surface finish options; - producing hard copies of 3D models, and; - saving 3D models in various formats for retrieval into CAD drawings or other application software.

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