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I got a nice response, both here and on Twitter, to my Lost Knowledge column on wire-wrapping. Folks had memories, both fond and otherwise, of wrapping circuits. In the comments, Tai Oliphant posted a link to his Z80 computer project, which was wire-wrapped (with over 350′ of 30-gauge wire!).

Z80 Microcomputer Project

More:
Lost Knowledge: Wire-wrapping
Homemade computer