Question 4
Observation
This is a question on converting an object drawn in orthographic projection to isometric drawing while maintaining a particular lowest point. The drawing also require drawing an isometric circle.
It was a well attempted question and many of the candidates performed well.
Candidates were expected to do the following:
(i)use isometric axes;
(ii)make X the lowest point;
(iii)draw the correct isometric box of the required length, width, height;
(iv)draw face A;
(v)draw face B;
(vi)draw face C (slot with depth);
(vii) draw face D (bevel);
(viii) draw face E;
(ix) draw face F;
(x) draw face H;
(xi) draw face I;
(xii) draw face J (with depth);
(xiii) draw face K;
(xiv) draw neatly.
The solution is show below: