# Surface-Memory Error Model

[`gadgets/03_custom_noise.py`](../../../../examples/gadgets/03_custom_noise.py)
derives the surface-memory experiment's error model gadget by gadget and saves
it as a packed EDEM artifact. Follow
[Derive an error model from gadgets](../gadget-edems.md) for a detailed walkthrough.

```{literalinclude} ../../../../examples/gadgets/03_custom_noise.py
:language: python
```

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