# Rubber

## Visuele omschrijving
Dull flexible material with thick mass, rounded edges, and small controlled sheen.

## Pixelcluster regels
Use rounded dense clusters.
```text
DDDD.
DMMH.
DMM..
```

## Contrast
Medium, with highlights kept small.

## Hue shifting
Cool dark shadow, desaturated local mid, soft warm highlight.

## Highlights
Tiny edge sheen, never metal-like streaks.
```text
..H.
DMM.
DDD.
```

## Shadow behavior
Shadows are heavy and soft-edged.

## Outline
Dark local hue, often blue-gray or brown-black.

## Rim lighting
Subtle rim helps black rubber stay visible.

## Ambient lighting
Low ambient; avoid flattening.

## AA regels
Light AA on curves and rounded corners.

## Dithering regels
No dithering; rubber reads through mass.

## Veel voorkomende fouten
Bad:
```text
HHHH
MMMM
DDDD
```
Good:
```text
DDDH
DMM.
DDD.
```

## QA checklist
- 50% scale herkenbaar: Ja, by rounded dark mass and small sheen.
- Not metallic.
- Curves are clean.
- Rim does not overpower.
- No random texture.