You can't normally see the parts that make up half the shape.
Did you notice the reflection in the water?
It's close.
Map
Quarry Obelisk
NW #1
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Very close.
The shape is not easily visible.
The shape traverses mediums.
Stand on the rocks near the bridge by the dam. The pipe on the opposite starts the shape and continues through the reflection of the underside of the bridge.
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Complete spoiler:
Roll over each black area below for hints.
Each new hint gives away more than the previous one.
Intro
However, one part of it is.
Look down.
This one is nice. Purely visual, but clever.
The shape must be one solid colour.
Show hints
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