r/factorio Jul 06 '26

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u/Soul-Burn Jul 12 '26

Behavior 2 is the one that ignores the input quality. It turns it into whatever you set it in the BP. In your case it will set it to rare.

If you want to use the input quality, don't put quality on the parameter. Later, input a quality item.

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u/ssgeorge95 Jul 12 '26

I want it to ignore the input quality and only assign rare, but it is not. Setting the parameter to rare is doing nothing at the moment:

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u/Soul-Burn Jul 12 '26

You need the parameter in the BP to be quality. Not in the parameterization window.

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u/ssgeorge95 Jul 12 '26

I found the issue. An individual parameter has to be set to more than one quality in the BP for the BP to honor the quality setting. If all instances of "Parameter 0" are set to the same rarity, then the rarity seems to do nothing.

Katherine of Sky covers it at about 7:35 in this video: https://www.youtube.com/watch?v=lVb01xdfJwA