Gravel hatch
Section hatch for gravel or hardcore: loosely packed pebble shapes. Use for sub-base and drainage layers.
- Section
- material
Drawn at 170 × 110 (1 unit = 1 cm).
Free for personal and commercial drawings. No credit needed.
Where it's used
Sub-base under slabs, drainage layers and gravel paths.
Drawing it
Draw it as its own layer under the slab, with the earth hatch below it.