Design Skills - Resources and Training for Designers

The Overlay Method
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Not everyone can afford to purchase professional rendering software and not all projects are suitable for rendering using CAD. Hand drawing however can be time consuming, especially in the case of measured perspectives.

A more efficient way of working would be to make a basic CAD drawing, set a 3D view and use a black and white print to trace from before rendering by hand. This is known as the overlay method.

To render a CAD drawing by hand, a black and white 3D view is first created and printed. Then it is traced in pencil onto tracing or layout paper (thicker paper would require the use of a light box). Figures can be roughly sketched onto another piece of tracing paper. This piece of paper is subsequently moved underneath the original trace and figures added to it as well as details on objects and shapes.
CAD print - Click on the thumbnail to view a larger image
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First tracing with basic figures - Click on the thumbnail to view a larger image
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Final tracing with figures - Click on the thumbnail to view a larger image
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Rendered drawing - Click on the thumbnail to view a larger image
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Those who are proficient at drawing figures may add them directly onto the original trace. The drawing can either be be rendered straight away, traced again and more details added or scanned and printed onto specialists papers such as cartridge or watercolour.







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> About CAD > Scale > Basic Geometry > 2D Drafting > 3D drawing > The Overlay Method > Graphics > Image Editing


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