EPS vs XPS — which should I use for what?

Question

**EPS** if you need:
- Cheap (€8-15/m³)
- Large blocks (easy to find 500x500x1000 at any builders' merchant)
- Lightweight final parts
- You can live with the visible "bead" pattern on cut surfaces

**XPS** (the pink/blue stuff) if you need:
- Smoother cut surface — no bead pattern, just slight melt finish
- Higher density / more rigidity per volume
- Better-looking parts for decoration / theatre props
- Tighter dimensional tolerance after cutting

XPS is 3-4× more expensive than EPS and harder to find in big blocks. For wings and one-off props: XPS. For prototypes, cosplay armor padding, sound-dampening: EPS.

EPS vs XPS — ¿cuál debería usar para qué?

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