User Guide

Multiple Master Fonts
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If you switch on the Do not insert points option, then FontLab will copy
outlines as they were in the source font regardless their compatibility with
the outlines in the destination font. Use this option only if you are sure the
outlines in the source and destination fonts are completely compatible.
To not let FontLab add nodes to compatible contours leave the Do not
interpolate compatible outlines option switched on.
Mask to Master Action
You can use a mask layer to construct a MM font from the existing styles of
a typeface. Let’s take a typeface that has Normal and Bold styles and show
how to make a MM font with the Weight axis:
1. Open the Normal style of the typeface.
2. Open the Bold style. Now you have two fonts open.
3. Activate the Font window that contains the Normal typeface and define
a new axis: Weight