Link to the guide. Part 4 is about the blueprints: https://www.youtube.com/watch?v=KsszKY1kBo0&list=PL4CnzXFiRZNqtgK6CY9tJGv-esoXrcLqE Used sequentially, the first 14 blueprints, in addition to legendary->legendary crafting/recycling/logistics, should give you most legendary items. Raw fish and Rocket fuel are for completeness. Infinite steel and copper is recommended, but optional. Lastly, tileable recyclers, Casinos with no productivity loss, and archive of old+not recommended blueprints.