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BAE 1101 AIUB Orthographic and Isometric Projection Experiment

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Engineering
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American International University Bangladesh
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Lab Report
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AMERICAN INTERNATIONAL UNIVERSITY-BANGLADESH (AIUB) Faculty of Engineering Bachelor of Science in Electrical and Electronic Engineering (EEE) BAE 1101: Computer Aided Design and Electrical Drafting Experiment # 02: Familiarization with orthographic and isometric projection in engineering drawing. Objective: To familiarize the students with the orthographic and isometric projection in engineering drawing. Projection The purpose of engineering is to indicate the shape and size of an object. All objects have three dimensions (length, breadth and height). The exact shape of an object may be produced with the help of projection. Projection is the process in which the rays of sight taken in a particular direction from an object to form an image on a plane called plane of projection or picture plane. The image on the plane is called the view of the object. There are various types of projections, such as orthographic, oblique, perspective etc. depending on the direction of the rays of sight. Orthographic Projection When the rays of sight are made in a perpendicular direction to the plane of projection, it is called orthographic projection. In the orthographic projection the observer stands in the infinite distance so that the rays of the sight appear to be parallel with each other. The perpendiculars, which are used to draw the view, are called the projectors. When a view is generated using perpendiculars from all the points of the object to the picture plane, it is called orthogra ...
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