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Chapter 3 Multi-view drawing - Yidnekachew€¦ · 1 Multi-view drawing Definition • Multi‐view...

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1 Multi-view drawing Definition Multiview projection is a method by means of hi h th th f bj t b which the exact shape of an object can be represented by two or more separate views produced on projection planes that are usually at right angles to each other Is the method of depicting(to represent by a picture) three dimension objects or concepts with sets of two dimensional drawings Method of obtaining the view Either of the two methods 1 Th t l th d 1. The natural method 2. The “glass box” method Natural method The necessary views are obtained by looking di tl t th ti l id f th bj t directlyat the particular sideof theobject i.e at the top, front and right side
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Page 1: Chapter 3 Multi-view drawing - Yidnekachew€¦ · 1 Multi-view drawing Definition • Multi‐view projection is a method by means of whi hhich the exact shape of an obj tbject can

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Multi-view drawing

Definition 

• Multi‐view projection is a method by means of hi h th t h f bj t bwhich the exact shape of an object can be 

represented by two or more separate views produced on projection planes that are usually at right angles to each other 

• Is the method of depicting (to represent by a p g ( p ypicture) three dimension objects or concepts with sets of two dimensional drawings

Method of obtaining the view

• Either of the two methods 1 Th t l th d1. The natural method2. The “glass box” method

Natural method 

• The necessary  views are obtained by looking di tl t th ti l id f th bj tdirectly at the particular side of the object 

• i.e at the top, front and right side  

Page 2: Chapter 3 Multi-view drawing - Yidnekachew€¦ · 1 Multi-view drawing Definition • Multi‐view projection is a method by means of whi hhich the exact shape of an obj tbject can

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“Glass Box” method

• An imaginary glass box is used to obtain the th ithree view

• The views are obtained by running projectors from points on the object to the plane

• The object is placed in a glass box.

• The side of the box represent the 6 principle planes.

• The image of the object is projected on the sides of the box.

• The box is unfolded creating the 6 principle views.

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