Electrotyping was the 3D printing of its day. An electro-chemical process that deposited dissolved copper or other metals onto a prepared object, it effectively allowed creating exact duplicates of a page of type to create a durable printing plate, or to produce a mold (a “matrix”) from type punches or existing pieces of type. This allowed foundries to expand typeface production dramatically, allowing far easier creation of the master forms from which matrices were made—and enabled piracy.In this episode of the Tiny Typecast, there’s no interview—just me reading a chapter on electrotyping, “A 19th Century 3D Printer,” from my book Six Centuries of Type & Printing. I picked this chapter as I am currently raising funds related to electrotyping on Kickstarter: I have an active campaign through 18 November 2021 to underwrite creating a detailed digital 3D model of a Monotype Electro Display Matrix, a mold created by that company in the early part of the 20th century to allow rapid casting of metal type for handsetting. Rewards include the digital file, a 3D-printed matrix, and historic Monotype matrices. Six months after the digital file is delivered to backers, I’ll re-license it broadly and distribute it widely to help preserve cultural and technological knowledge.

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