Plumbing
Pipe Small Broke Grey
While not as sturdy as solid concrete, iron constructions have high structural integrity, requiring fewer support pillars.
Drops when destroyed
Iron× 1-2
Short Iron Pipe× 1
Where to find (2 POIs)
The Knowbly Cabin (tier 1), Luke's Vacation Rental.
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.