The Storage Attic. The fourth crate is on the left, near the entrance to the sewing room.
The Storage Attic is one of three upgrades available as soon as you rebuild the cabin.
The Storage Attic expands your storage space, creating an additional four storage crates.
The completion of the Attic is necessary for the Sewing Room to be built.
For Attic you'll need:
- 28x Fir Plank
- 2x Steel Wire
- 4x Nails