This document discusses combining the first and third angle methods of projection. It notes that the first angle method has advantages for plans and elevations while the third angle method has advantages for side views. The drawbacks of the first angle method apply to plans and elevations, while the drawbacks of the third angle method apply to side views.

1. Method of projection
PREPARED BY
-PROF. JANKI PATEL

9. Combination of first and third angle
method of projection.
ADVANTAGES
Advantages of first angle method if projection
are available for plan and elevation and third
angle method of projection are available for
the side views
DISADVANTAGES
Drawbacks of first angle method of projection
are applicable for plan and elevation and
drawbacks of third angle method of projection
method are applicable for side views.

10. Thank you