Example 3: To locating the points to obtain an isometric drawing of an irregular object
The procedure of locating the points of an irregular square pyramid is illustrated in figure 4.

Figure 4. The  method of drawing the isometric view of an irregular square pyramid

Construct an isometric box equal to the dimensions W, H and D as measured in the multi-view drawing. Locate dimensions A and B along the base of the isometric box, then project them along the faces to the edge of the top face, using vertical lines. Project the points of intersection across the top face using isometric lines. Point V is located at the intersection of these last two projections. Locate the remaining points around the base and complete the figure.

Example 4:  Draw the isometric view of the object shown in figure 5 (a)

The  stepwise procedure of drawing the isometric view is shown in figure 5(b).

Figure 5.  shows the (a) multiview drawing of an object nd (b) the stepwise procedure for drawing the isometric view.