Tech Tree: Workbench Level 1
Every workbench has a tree of blueprints you can unlock at it. Pick a bench to see its tree as the game lays it out, and point at a blueprint to trace the cheapest path to it and what it all costs.
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Point at a blueprint to trace its cheapest path from the start. Drag to move, scroll to zoom. Cost Total from scratch
Off the lines These sit in the tree with nothing leading to them, so each unlocks on its own, for its own price.