Outcome One

Representing and communicating form

Freehand and instrumental drawing assist in creating a clear language for visual communication. The effective use of freehand and instrumental drawing can provide detailed information about the construction, workings and appearance of an object.

Drawing complex two dimensional objects

  As explained in Unit One, orthogonal drawing is used when details of complex objects need to be communicated clearly. The three regular views depict facts about the exterior appearance of a three dimensional object, and hidden detail lines indicate internal information.However, there are times when more information about the internal appearance of an object is required. The cross-sectioning of an object allows for the internal details to be clearly shown.



  Analyse the ISOMETRIC DRAWINGS. Pay particular attention to the cutting planes (indicated with ‘A’ ). In the boxes provided, draw a sectional view of both A – A . Dimensions DO NOT need to be provided in the drawings, but you must use appropriate tools and conventions.



Complex Paraline Drawings

An effective method of drawing complex three-dimensional forms is using the crating method. There are four basic three-dimensional forms: the cone, the sphere, the cube and a cylinder. Many objects can be made from these basic forms.


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