Mean Hand is a typeface constructed from 814,255 handwritten character samples collected by the U.S. government in the early 1990s for Census form automation, later formalized as NIST Special Database 19 and the EMNIST dataset. Each letter is built by stacking thousands of samples and applying an ink-presence threshold that determines font weight. At extreme thresholds the type becomes illegible — overwhelmed by variation at Black, reduced to fragments at Thin — while legibility only emerges in a narrow middle range. The project visualizes how EMNIST's distribution shapes what counts as legible handwriting and whose writing gets recognized by machine learning systems. The typeface is available for free download.

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