I created a font with 256 spirals from various mathematical families: logarithmic, polynomial, exponential, and indeed many other spirals. These may be used to test the accuracy of printers. The font is Type 3 PostScript of course. The figure shows just a small subsample of the glyphs.

EXTERNAL LINKS
Google search page

INTERNAL LINKS
Font samples ⦿ Type 3 Font Software ⦿

Luc Devroye ⦿ School of Computer Science ⦿ McGill University Montreal, Canada H3A 2K6 ⦿ lucdevroye@gmail.com ⦿ http://luc.devroye.org ⦿ http://luc.devroye.org/fonts.html