Copperplate – Ruling Up
Unlike broad-edged calligraphy, the x-height is not measured in terms of nib widths. Typical x-heights are 4, 5 or 6mm. The ‘normal’ ratio of ascender – x-height – descender is 3:2:3. Therefore if you have an x-height of 4mm, you would have 6mm for ascenders and descenders. However, these are only guidelines. Copperplate writing has …