Those who enjoy this sort of thing might also enjoy reading Donald Knuth's “The Concept of a Meta-Font” (from 1982): http://visiblelanguagejournal.com/issue/61/

Those who enjoy this sort of thing might also enjoy reading Donald Knuth's “The Concept of a Meta-Font” (from 1982): http://visiblelanguagejournal.com/issue/61/article/748 http://visiblelanguagejournal.com/issue/61/article/748 — although the technology used is very different (it was designed for print after all), he plays a lot of lovely tricks with the font on the page (changing x-height, “e-height”, etc), including gradually transitioning from a serif to a sans-serif typeface. Note that even the “production” Computer Modern family available by default with TeX distributions itself has all its typefaces (including sans-serif, monospaced, bold, italic, etc. variants) by varying parameters in a single font. Direct link to PDF: https://s3-us-west-2.amazonaws.com/visiblelanguage/pdf/V16N1_1982_E.pdf https://s3-us-west-2.amazonaws.com/visiblelanguage/pdf/V16N1... Also, look at Metaflop modulator: https://www.metaflop.com/modulator https://www.metaflop.com/modulator