Also someone made a real crossbow based on the image:

tompark • today at 6:09 PM • 1 reply • view on HN

Also someone made a real crossbow based on the image: https://loeffelholz-codex.org/en/codex/f014v.html

(Edited wording to correct for jacquesm's point)

jacquesm • today at 7:07 PM

That does not look like it is the owner of the site.

The owner of the site is an SEO consultant in Munich:

And this person is Austrian.

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