This revised version of the Guidelines for Examination will apply as from 1 November 2015. Until then, the September 2014 edition of the Guidelines remains valid.

7.6 Variations in proportions

Elements of the same figure must be in proportion to each other, unless a difference in proportion is indispensable for the clarity of the figure.

As a preferred alternative to a difference in proportion within one figure for the purpose of achieving the necessary clarity, a supplementary figure may be added giving a larger-scale illustration of the element of the initial figure. In such cases it is recommended that the enlarged element shown in the second figure be surrounded by a finely drawn or "dot-dash" circle in the first figure pinpointing its location without obscuring the figure.

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