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Fig. 20 A pictorial view, using the system of

Fig. 20 A pictorial view, using the system of tilted by different angles, such that the scale lengths in the three planes are in a convenient ratio e.g. 1/5 and 1/6. The resulting view of the object is then much more acceptable, and, in addition, by allotting the larger of these scales to one or other of

'isometric' projection.

the edges of the cube the view can be adjusted to suit the nature of the object being drawn. Fig. 21 shows a machine base. At the top is the ordinary engineering drawing as would be used in the shop. Below are three trimetric views, allotting the scales

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