Given the font in Metafont form, you can then either make the font at its true size for some device, or make an enlarged version to examine the characters closely. See section Metafont and BZRto , for the full details. To do the latter, run Metafont with no assignment to mode . This should get you proof mode. You can then use GFtoDVI to get a DVI file with one character per page, showing you the control points Limn chose for the outlines.
Problems can arise at any stage.
A real-life example. Go to the first , previous , next , last section, table of contents .