The may be heresy, but

…do we really need the optical window? apart from keeping away resin from the main window?

That’s a great question!

Strictly, the answer is no. That being said, the optical window is there more for dust than resin, and in that context, you’ll be very glad it’s there. :slight_smile:

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It’s possible that some Form 2 printers run inside Class 100 cleanrooms, and that might be a favorable environment for doing without the dust barrier of the optical window.

…Until the tank window leaks… which eventually WILL occur.

… not yet happened after 3 years

Tomorrow, then…

Wish I could say that… as I just had it happen for the first time.

@billb clearly you haven’t printed with a Form 1 :wink:

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As snide remarks go, I’m surprised that FormLabs is so down on the Form 1, especially considering it’s the product that put them on the map.

FWIW, I’ve owned 2 Form 1+ over the last 3 years, and I’ve never had a tank leak. Just goes to show you they don’t make them like they used to. :wink:

Oh, I didn’t mean tank leak — I meant dusty optics. The office space here is full of dust, so without the optical window, I had to clean my mirror every few months.

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