![]() Difference between Isometric Drawing and Isometric Projection. Read Also: Dimensioning – Its Types, System, Principles. ![]() Now draw perpendicular offsets from 45° line up to 30° line which will represent the isometric scale. Put marks on the 45° line according to the actual scale. Method of Drawing Isometric Scale:įollowing method is used for drawing isometric scale:Īfter drawing a horizontal line, draw two lines at 45° and 30° angle with it. With the help of this scale, the actual dimensions are transformed into isometric dimensions. The isometric scale is prepared to form an isometric projection. Since, in isometric projection, the isometric line makes an angle of 30° with the horizontal lines, therefore, their length is not equal to the actual length, but it is only 82% of the actual length. While the third axis makes an angle of 90°. Two isometric axes make an angle of 30° with the horizontal line. In the figure, the lines which are parallel to these lines are called isometric lines, and those lines which are not parallel to these lines are called Non-isometric Lines. In this way, all the three sides meet at a point making an angle of 120° with one another. ![]() In an isometric projection, the plane is placed in such a way that all the, three visible sides of the object make same angle with one another. Difference between Isometric Drawing and Isometric Projection.
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