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THE DESIGNER AND ORTHOGRAPHIC DRAWING - SECTIONAL VIEWS

V. Ryan 2007 - 2010

 

Sectional views are an aspect of orthographic drawing. A designer can use this technique to show the interior of a design. For example, the ‘magnetic force torch’, shown below. This is a modern rechargeable torch and it is important for the manufacturer to be able to see the internal parts. A drawing like this also helps the designer visualise the way the parts go together to form the final product.

The 3D drawings below are NOT orthographic. However, they are drawn to illustrate what a sectional view actually is. A sectional view is a view of a product as if part of it has been cut away. In this case the a cut has been made right down the centre of the torch, allowing the internal parts to be seen.
 
 
 
ANIMATION - SECTIONAL VIEW
An orthographic drawing of the torch is drawn below. It is comprised of a front view and a sectional side view. The centre line labelled ‘AA’ on the front view, shows where the ‘cut’ through the torch has been made. Any surfaces that have been cut have ‘hatched’ lines. This sectional view reveals the interior of the torch, making possible for the manufacturer to understand how the torch and its parts go together.
 
 
 
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