ComfyUI: Animate 3D renders with Wan 2.1

Demo summary
The creator walks through a Wan 2.1 video generation workflow in ComfyUI, using the Painterly I2V node to control motion speed and animate a static 3D render.
Step-by-step
- Load your final 4K rendering into the workflow
- Downscale the image to approximately 720p or 1K resolution
- Load the Wan 2.1 models and the Painterly I2V node
- Adjust the value in the Painterly I2V node to increase motion speed
- Enter a simple prompt describing the camera movement
- Press Control + Enter to run the generation
Options
- Use Kaji's workflow with block swap to manage VRAM usage
Watch out for
- You must work at about 1K or 720p resolution as higher resolutions take too long even on high-end hardware
- Wan is trained on 5-second clips; extending beyond this can cause artifacts like objects moving backwards
Tips
- Add motion blur to your base image to help the AI detect and bake in movement from the start
- Use the Painterly I2V node to fix the common issue of Wan motion appearing too slow
- Leverage ComfyUI's VRAM to CPU RAM swapping for better performance
Highlights
“the rest of the setup here is is pretty straightforward”
All demos from “Local "AI Rendering" Using 3D - Explained by a Human”
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23:511:57Animate 3D renders with Wan 2.1CurrentThe creator walks through a Wan 2.1 video generation workflow in ComfyUI, using the Painterly I2V node to control motion speed and animate a static 3D render.ComfyUI· Image to Video- Watch “Local "AI Rendering" Using 3D - Explained by a Human” →
Image to Video
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23:511:57Animate 3D renders with Wan 2.1CurrentThe creator walks through a Wan 2.1 video generation workflow in ComfyUI, using the Painterly I2V node to control motion speed and animate a static 3D render.Matt Hallett Visual
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ComfyUI