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TransformBeginnerKrokodove · Resolve 21

Mirror

Line-based image reflection

Reflects an image across one or two user-defined lines for symmetric layouts and mirrored transitions.

This tool belongs to the Krokodove set integrated into DaVinci Resolve 21 and Fusion Studio 21. See the complete Krokodove node list and the comparison with native Fusion tools.
Mirror
DaVinci Resolve · Fusion

Mirror creates deterministic symmetry without manually duplicating and flipping layers. The mirror axis can be positioned directly in the frame.

Overview

What Mirror does

Mirror creates deterministic symmetry without manually duplicating and flipping layers. The mirror axis can be positioned directly in the frame.

Think of placing a physical mirror line on top of the image: pixels on one side are reflected across that line to build the output.

Mental model

Think of placing a physical mirror line on top of the image: pixels on one side are reflected across that line to build the output.

Common uses

Symmetric portraits
Split-screen reflections
Graphic wipes
Abstract backgrounds
Mirrored texture construction

Flow anatomy

Inputs & outputs

The port structure shows how this node fits into a Fusion graph.

Image Input

Source image for the operation.

Effect Mask

Optional mask that limits where the node affects the image.

Mirror
Fusion node

Image Output

The processed result from this node.

Inspector

Important parameters

Start with these controls before reaching for more complicated workarounds.

Mirror all

Applies the configured mirroring to the full image.

Mirror Left X / Y

Sets the X and Y components of Mirror Left.

Mirror Right X / Y

Sets the X and Y components of Mirror Right.

Reflection Axis

Sets the axis across which the image is reflected between the left and right mirror controls.

Render

Sets the rendering/sampling quality used when Mirror resamples the image.

Settings

Provides standard node blend and mask behavior.

Practical setup

A reliable workflow

  1. 1

    Place the mirror axis.

  2. 2

    Check which side is being reflected.

  3. 3

    Adjust the axis angle if needed.

  4. 4

    Animate the axis for a reveal.

  5. 5

    Inspect seams at 100 percent.

Typical node chain
Source
Mirror
Output

Examples

Where this node fits in real work

Symmetric portrait

Mirror one half of a face or object.

MediaInMirrorMediaOut

Mirror wipe

Animate the reflection axis across the frame.

MediaInMirrorDissolve

Troubleshooting

Common mistakes

Pushing Mirror farther than the source resolution can support
Animating several Mirror controls that fight each other instead of choosing one clear primary control
Judging Mirror edge quality only in a proxy or reduced-resolution Viewer

Production notes

Practical tips

Keep the main Mirror transform logic together instead of scattering equivalent adjustments across several nodes.
After a strong Mirror deformation, inspect image edges and alpha for stretching or resampling artifacts.
Preview animated Mirror work at normal playback speed as well as frame by frame.

Related nodes