Page 143 - Engineering drawing from first principles using AutoCAD

136 Enqineerinq drawinq }''"0111 first principles

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Figure 6.14

C, D and E, erase the construction circles to avoid unnecessary congestion on the screen
with constructions on other planes.

Repeat the procedure for other vertical positions between points A and B to build up
sufficient points for the curve. Line in the curve with a polyline and use the FIT option to
give the best curve.
Since the cone and sphere lie in the same vertical plane, the two sides of the curve will be
symmetrical, and it is inevitable that one side of the curve will be more accurate than the