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Orthographic Drawings

Orthographic drawings are two-dimensional drawings

That means that the length, the width and the depth cannot all be seen together on one single drawing.


They can be used in all stages of communicating information and at the later stages as working drawings.

Working drawings are used to provide accurate information about objects.


The information below is mainly about working drawings.

The drawings below are drawn to scale and should give all the information about an object and what

material it is made from. Because they do not always seem to show what something looks like, standard

ways of presentation are needed to make sure that anybody in the world could "read" them. To understand

these standards then read a copy of the books produced by The British Standards Institute. There are many

although British Standards : PD 7308:1979 is a good starting point. Some computer-aided design, (CAD)

programmes contain British Standards support.


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