Překlad - Anglicky-Švédsky - Pin- Shutter

I think it's SHUTTER because

Merrian-Webster

shutter:
a mechanical device that limits the passage of light; especially : a camera component that allows light to enter by opening and closing an aperture

obturator:
one (as a prosthetic device) that closes or blocks up an opening (as a fissure in the palate)
But of course I'm not sure, not a native speaker.

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