The first Unidyne microphone was shipped by Shure on April 29, 1939. To mark the 75th anniversary, on April 29, 2014, Shure released paper models of the three most popular Unidyne models. Below are links to the PDF files for printing your own.
Vintage Unidyne 55
55SH Series II
Super 55
Just for fun, we created an extra large version from some cardboard boxes.
