Technical Drawing 3, May/June 2015

Question 1

(1)        The figure below shows a block in first angle orthographic projection. Make a freehand isometric drawing of the block making P the lowest point.

Observation

Candidates were expected to:

(i) draw the block in isometric;

(ii) make P the lowest point;

(iii) draw for resemblance;

(iv) draw to proportion;

(v) draw face G;

(vi) draw face H;

(vii) draw face K;

(viii) draw face L;

(ix) draw face M;

(x) draw face N;

(xi) draw face R;

(xii) draw face S;

(xiii) draw an isometric circle;

(xiv) draw neatly.

The solution is shown below:  

Freehand isometric drawing of the block