Personal
My family
Herbert J. Levin's World War II chronology
Dear Margaret letters
Levin Family recipes
Escher waterfall models
Balanced objects
Balanced Fork
Balanced Spoon
Spoon Balancer attachment
Cup Balancer attachment
3-D printed Balanced cups
hand-built Balanced cups
Airplane wheel spinner
My collection of Dona Hutchins' batiks
Academic advice
Academic humor
DonOLD & The U.S.A.
, recorded and published in September 2024
my Escher font
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Last updated: July 2, 2025