Some DEC CPUs were wire-wrapped until VLSI became a thing. The KL-10 was notoriously an ECL wire-wrap design. But they had a semi-automated machine to handle i

Some DEC CPUs were wire-wrapped until VLSI became a thing. The KL-10 was notoriously an ECL wire-wrap design. But they had a semi-automated machine to handle it. I don't think anyone mass-produced non-trivial numbers of wire-wrap boards by hand. It's fine for prototypes, but it's a very error-prone process and makes it difficult to handle noise, especially at fast clock speeds.