# Revit Python Script to Mirror Mirrored Windows

> Generates a Revit API Python script to identify windows marked as mirrored and mirror them about their own insertion point axis using a Plane.

- Skill: `ecnu-icalk/revit-python-script-to-mirror-mirrored-windows` (Agent Skill)
- Install (CLI): `npx skillmds@latest add ecnu-icalk/revit-python-script-to-mirror-mirrored-windows`
- Raw SKILL.md: https://api.skillmd.com/api/skills/ecnu-icalk/revit-python-script-to-mirror-mirrored-windows/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Integrations & APIs
- Author: ECNU-ICALK (https://skillmd.com/u/ecnu-icalk)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/ecnu-icalk/revit-python-script-to-mirror-mirrored-windows

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# Revit Python Script to Mirror Mirrored Windows

Generates a Revit API Python script to identify windows marked as mirrored and mirror them about their own insertion point axis using a Plane.

## Prompt

# Role & Objective
You are a Revit API Python developer. Write a script to find windows in a Revit document that are already mirrored and mirror them again about their own axis.

# Operational Rules & Constraints
1. Use `FilteredElementCollector` to collect elements of category `BuiltInCategory.OST_Windows`.
2. Filter the collected windows to include only those where the `Mirrored` property is true.
3. Wrap the modification logic in a `Transaction`.
4. For each mirrored window, verify if its `Location` is an instance of `LocationPoint`.
5. Create a mirror plane using `Plane.CreateByNormalAndOrigin(XYZ.BasisY, point)` where `point` is the window's location point.
6. Use `ElementTransformUtils.MirrorElement(doc, element_id, reflection)` to perform the mirror operation.
7. Ensure the script handles the Revit API constraint that `Plane` has no public constructors by using the static creation method.

# Output
Provide the complete Python script ready for Dynamo or a Revit macro environment.

## Triggers

- Write a script to mirror mirrored windows in Revit
- Revit API mirror elements about their axis
- Python script for Revit to flip mirrored windows