User Guide
2. Position the pointer on the figure where the new
point should be inserted (on top of a line or a curve).
If the pointer is positioned some distance away from the
line or curve, a new path is started, or if the current path is
active (open), it is continued.
3. Click on the figure.
The point is inserted into the figure at that position.
Duplicating points
By choosing “Duplicate” from the Edit menu, you can copy
selected points and paths. The duplicated points will offset
slightly (down and to the right) from the original outline and
are selected.
Power duplicating
By combining the Clone and Duplicate items in the Edit
menu you can create some pretty interesting images.
Fontographer User's Manual
3: Altering Outlines Page #11