Building pages show everything, including pieces from later in the game. The planner stays spoiler-free.
Birds' Nest
Crafting & processing · Swamp
Healthy and happy birds might shed a feather or two.
Hammertool
Workbenchneeds nearby
Swampunlocks in
How to build a Birds' Nest
Stand within range of a Workbench, equip the Hammer and place it. You need:
When it unlocks
It shows up in the Hammer's menu once you've picked up every material it needs and been near a Workbench. You have to place it within range of a Workbench.
Its materials become available in the Swamp, after beating The Elder.