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Nightly: LTX Director Motion Brush

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@exportAnything exportAnything released this 25 Jun 05:14
nightly-20260625
5f8e907

Nightly status

This is the first Comfy Registry-submitted nightly for testers. The package has uploaded successfully to Comfy Registry as version 0.1.0; at publish time Comfy's API still reports the version as NodeVersionStatusPending, so it may take a little while before it appears normally in Manager search.

GitHub install works immediately. Registry/Manager install should use the package id below once Comfy's validation queue finishes.

Install

Registry/Manager package id:

ltx-director-motion-brush

CLI install:

comfy node install ltx-director-motion-brush

Git install:

cd C:\ComfyUI\app\custom_nodes
git clone https://github.com/exportAnything/ComfyUI-LTX-Director-Motion-Brush.git

Then restart ComfyUI and load:

example_workflows/LTX_Director_Motion_Brush_V2.json

What this build is

This is a rebuilt Motion Brush edition of LTX Director v2 for LTX 2.3 workflows. It keeps the timeline/storyboard foundation from WhatDreamsCost and adds Motion Brush-specific guide nodes, retake preview output, motion carry controls, safer helper nodes, standalone upload routes, matte/carry helpers, and a polished public workflow.

Included Motion Brush nodes

  • LTXDirectorMotionBrushV2
  • LTXDirectorMotionBrushV2Guide
  • LTXDirectorMotionBrushV2GuideAttention
  • LTXDirectorMotionBrushV2RetakeSourcePreview
  • LTXDirectorMotionBrushV2SafeDownscaleFactor
  • LTXDirectorMotionBrushV2DirectorGuide
  • LTXDirectorMotionBrushV2CropGuides

Required custom nodes

Install or update separately:

  • ComfyUI-LTXVideo
  • comfyui-kjnodes
  • ComfyUI-Impact-Pack

Sample outputs

The repo includes generated MP4 samples under Samples/ and lightweight GIF previews under Samples/previews/ so the README renders motion inline on GitHub.

  • Samples/MOTION_BRUSH.mp4
  • Samples/MOTION_BRUSH_DISTILLED_MODEL.mp4
  • Samples/MOTION_CARRY_16_Frames.mp4
  • Samples/MOTION_CARRY_32_Frames.mp4
  • Samples/RETAKE_8_Steps.mp4
  • Samples/RETAKE_DISTILLED_MODEL.mp4

Notes

  • New uploads are stored under ComfyUI/input/exportanything.
  • Legacy ComfyUI/input/whatdreamscost media references remain readable as fallback.
  • Motion Brush locks resize mode to maintain aspect ratio while active.
  • Retake Mode enforces a 6 second minimum selection.
  • Samples/ is intentionally excluded from the Registry archive via .comfyignore to keep installs light.

Attribution

Original LTX Director v2 concept and implementation by WhatDreamsCost:
https://github.com/WhatDreamsCost/WhatDreamsCost-ComfyUI

Motion Brush packaging and LTX 2.3 motion-track integration by exportAnything.

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