Mine would be creating pen and paper ciphers for my made up secret communication needs.

  • utopologist [any]
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    42 years ago

    If you know me long enough, I’ll reveal my long-standing project of building a hurdy-gurdy

      • utopologist [any]
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        32 years ago

        It’s slow going since I haven’t yet found a laser cutter large enough to accommodate the schematics I have. I have the materials, though. I’ve never played one