Types of Drawings

These are all the types of drawings

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Freehand Sketching

Freehand Sketching: the spontaneous representation of ideas on paper without the use of technical aids

  • often includes annotations
  • used in the early stages,
  • quick but not very accurate
  • easy for the client to understand the basics

(http://4.bp.blogspot.com/_4u2Q81gts8U/S8ynYScgR3I/AAAAAAAAAU4/KV21pnixe8Q/s1600/37.jpg)

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Orthographic Drawing

Orthographic Drawings: a series of flat views of an object showing it exactly as it is in shape and size

  • shows details and dimensions thus could be used as a production drawing
  • always to scale and are produced at the final production stage
  • used in the realization stage

(http://www.tpub.com/steelworker1/14250_files/image052.jpg)

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Isometric Drawing

Isometric Drawing: a 3D representation of an object drawn with the horizontal plane at 30 degrees to the vertical plane

  • used to communicate the proposed solution in 3D
  • the isometric lines are angled at 30 degrees
  • could be produced by traditional drawing instruments as well as CAD

(http://1.bp.blogspot.com/_g04M52c65Q8/TEks6hwvqRI/AAAAAAAAAF4/Snn4qeb2uoQ/s1600/1.gif)

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Exploded Isometric Drawing

Exploded Isometric Drawing:an isometric drawing of an object with more than one component that depicts how the parts of assemblies fit together.

  • shows the components and the sequence of assembly
  • could be used for a manual for assembly

(http://draftingmanuals.tpub.com/14276/img/14276_175_1.jpg)

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Perspective Drawing

Perspective Drawing: A 3D drawing that realistically represents an object by utilizing foreshadowing and vanishing points.

  • take into account spatial arrangement
  • very realistic
  • create illusion of depth and distance
  • used to convey information to non technical people

(http://1.bp.blogspot.com/_9I_Uka5NKjY/TF0EEZh80JI/AAAAAAAAAPQ/KDpxe9Yad6w/s1600/perspective-1.jpg)

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