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Scattered dots and triangles marking concrete in section.
Also known as: Concrete hatching, In-situ concrete pattern
On a building section concrete is shown by a scatter of small dots and angular marks, representing the aggregate distributed through the material.
Marks concrete where a drawing cuts through it.
Contexts: Technical drawing
Represents aggregate in a matrix, which is why the pattern is deliberately irregular where most hatches are regular.
Contexts: Technical drawing
An irregular scatter of small dots mixed with short angular marks, filling the cut area.