Blueprint Book
A bound collection of precise schematics, used to research Workbench Level 3 items on the tech tree.
The Blueprint Book is a crafting component in Rust. It cannot be crafted, and Locked Crate drops it most often, at 100%.
About the Blueprint Book
It also lies at fixed spots in 3 monuments: Military Tunnel, Missile Silo and Underwater Lab.
In all, 4 loot sources drop it; the full list of where it drops gives the chance for each.
Found at monuments
Monument Count
Military Tunnel ×1
Missile Silo ×1
Underwater Lab ×1
Where to find the Blueprint Book
Locked Crate has the best chance at 100%, followed by Elite Crate at 10%.
SourceConditionChanceAmount
Stats checked against the Rust game files on 9 November 2026.