4 recipes · 7 tiers · 3 gathered materials
Everything the hideout needs to make Ethyl Aluminum, read left to right: the goal is on the left, the things you gather are on the far right, and every dashed box between them is one bench recipe. 17 recipes left out: each needs something already further along the chain, so it is not a way of making this. 55 links cut where two base materials convert into each other — a loop is not a step toward anything.
