Variex was conceived as a stroke design; each character is defined by center-lines of uniform weight, from which the three weights are also derived. Varying the weight of a stroke typeface changes the thickness around the center line and thus alters the alignment of some characters. Variex incorporates these variations of alignment in its design, making adjustments to the center lines unnecessary when changing the weight. As a result, the x-height varies among the three different weights.
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