> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ideatura.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Edit existing models

> Preserve resolved geometry and change only the intended scope.

An existing model contains decisions that may not appear in a screenshot. Describe the change and the work that must remain.

<h2 id="identify-the-baseline">
  1\. Identify the baseline
</h2>

Save the current native file as your project requires. Name the document, elements and views to change, plus geometry, parameters, annotations and relationships to preserve.

<h2 id="plan-a-small-edit">
  2\. Plan a small edit
</h2>

Prefer a bounded modification when it meets the task. If reconstruction is proposed, review what could be lost, including hosting, subcategories, hidden geometry and existing references. Supply exact dimensions and clarify which source is authoritative.

<h2 id="inspect-the-change">
  3\. Inspect the change
</h2>

Compare before and after in native views. Check joins, hosts, parameters and affected annotations as well as appearance. See [Review and recover](/ai/review) and [Revit families](/model/reference-model/turn-a-detail-into-a-parametric-family) for family-specific checks.


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