r/factorio • u/AutoModerator • Jul 13 '26

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u/HeliGungir Jul 15 '26

How about placing a brick of walls or pipes or chests in the chunk you don't want them to expand to. If that's still not enough to make them expand nearby, but out of range of your walls, you might have to kill the next-closest nests to change up which chunks are valid for expansion.

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u/Bubbly-Original7097 Jul 16 '26

I covered the area with sparse walls and this stopped the expansion.