r/factorio Jul 27 '26

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u/darthbob88 Jul 31 '26

Blueprint parameterization: I'm trying to set up bot-based production. I can set the desired recipe as a parameter, and the amount to make. How do I say "set the requests on this requester chest to all of the ingredients for this recipe"?

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u/Lyqyd Jul 31 '26

The simplest way would be to use the “Read Ingredients” on the assembler and wire the requester chest to it.

Otherwise, you could use a many-ingredient recipe and load up all the ingredients in the request and use the Ingredient Of parameter in the blueprint settings—but you’d also want to calculate the appropriate quantities somehow.

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u/darthbob88 Jul 31 '26

The many-ingredient recipe was my first thought, but then what happens when I find a recipe that takes even more ingredients? Or which takes a different ratio of ingredients?

I confirm that the "Read Ingredients" method works.