竹下憲二 (tk@diatom.social)'s status on Saturday, 23-Dec-2023 11:38:57 PST
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竹下憲二 (tk@diatom.social)'s status on Saturday, 23-Dec-2023 11:38:57 PST 竹下憲二
Tempered grades of 6061 aluminum really are wonder materials: reasonably strong yet easy to machine. :)