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For isometric drawing, draw the three mutually perpendicular edges, set other linear
dimensions and complete the figure.
Figure 3.18 : Isometric drawings
3.5.1 Angles in Isometric Drawing
The angles of inclined surfaces will not have the value in the isometric drawing but
will be more in some cases and less in the remaining cases. For example, in the
isometric view of the prism shown in Figure 3.19 the true value of all the angles
are 90°. While in isometric drawing the angles are 60° in some cases and 120° in
others.
Figure 3.19 : Angles in isometric view
