How long to expose the screen?

Printmaking
1

Hi! How long do I expose the screen on the lightbox for? I took the authorization class when I first joined and can’t remember.

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2

If I remember correctly, it should be roughly 2 and a half minutes. That seems to always work fine for me^^

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3

Oh awesome! Thank you so much!

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4

3 minutes, 30 seconds

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