ComfyUI > Nodes > ComfyUI-Hunyuan3d-2-1 > Hunyuan 3D 2.1 VAE Loader

ComfyUI Node: Hunyuan 3D 2.1 VAE Loader

Class Name

Hy3D21VAELoader

Category
Hunyuan3D21Wrapper
Author
visualbruno (Account age: 5579days)
Extension
ComfyUI-Hunyuan3d-2-1
Latest Updated
2025-08-11
Github Stars
0.23K

How to Install ComfyUI-Hunyuan3d-2-1

Install this extension via the ComfyUI Manager by searching for ComfyUI-Hunyuan3d-2-1
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter ComfyUI-Hunyuan3d-2-1 in the search bar
After installation, click the Restart button to restart ComfyUI. Then, manually refresh your browser to clear the cache and access the updated list of nodes.

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Hunyuan 3D 2.1 VAE Loader Description

Specialized node for loading VAE models in Hunyuan 3D 2.1, transforming 3D data into latent space for shape processing and generation.

Hunyuan 3D 2.1 VAE Loader:

The Hy3D21VAELoader is a specialized node designed to facilitate the loading of Variational Autoencoder (VAE) models within the Hunyuan 3D 2.1 framework. This node is integral for users who wish to leverage the capabilities of VAEs in processing and generating 3D shapes. By loading pre-trained VAE models, the node enables the transformation of complex 3D data into a more manageable latent space, which can then be used for various applications such as shape generation, reconstruction, and analysis. The primary benefit of using the Hy3D21VAELoader is its ability to seamlessly integrate with the Hunyuan 3D ecosystem, providing a robust and efficient method for handling 3D data with VAEs. This node is particularly valuable for AI artists and developers who are looking to explore the creative possibilities of 3D modeling and rendering without delving into the technical complexities of model training and configuration.

Hunyuan 3D 2.1 VAE Loader Input Parameters:

model_path

The model_path parameter specifies the file path to the pre-trained VAE model that you wish to load. This parameter is crucial as it directs the node to the correct model file, ensuring that the appropriate VAE is utilized for subsequent operations. The path should be a valid string pointing to a model file compatible with the Hunyuan 3D framework. There are no specific minimum or maximum values, but the path must be accurate and accessible.

use_safetensors

The use_safetensors parameter is a boolean flag that indicates whether to use safe tensor formats when loading the model. This option is important for ensuring data integrity and security during the model loading process. The default value is False, meaning that standard tensor formats are used unless specified otherwise. Setting this to True can be beneficial in environments where data safety is a priority.

variant

The variant parameter allows you to specify the variant of the VAE model to be loaded. This is particularly useful if multiple versions or configurations of the model are available, each optimized for different tasks or performance characteristics. The default value is typically set to fp16, which stands for 16-bit floating point precision, offering a balance between performance and resource usage. Other variants may be available depending on the specific model and its configurations.

Hunyuan 3D 2.1 VAE Loader Output Parameters:

vae_model

The vae_model output parameter represents the loaded VAE model object. This output is crucial as it provides the actual VAE instance that can be used for encoding and decoding operations within the Hunyuan 3D framework. The model object encapsulates all the necessary components and configurations required to perform VAE-related tasks, making it a central element in the workflow of 3D data processing and generation.

Hunyuan 3D 2.1 VAE Loader Usage Tips:

  • Ensure that the model_path is correctly specified and points to a valid VAE model file to avoid loading errors.
  • Consider using the use_safetensors option if you are working in a sensitive environment where data integrity is a concern.
  • Experiment with different variant settings to find the optimal balance between performance and resource usage for your specific application.

Hunyuan 3D 2.1 VAE Loader Common Errors and Solutions:

FileNotFoundError

  • Explanation: This error occurs when the specified model_path does not point to a valid file or the file cannot be found.
  • Solution: Double-check the file path for accuracy and ensure that the file exists at the specified location.

InvalidModelFormatError

  • Explanation: This error indicates that the model file format is not compatible with the expected VAE model format.
  • Solution: Verify that the model file is in a supported format and consider converting it if necessary.

ModelLoadingError

  • Explanation: This error arises when there is an issue during the model loading process, possibly due to incompatible configurations or corrupted files.
  • Solution: Ensure that the model file is not corrupted and that all configurations are compatible with the Hunyuan 3D framework. Consider re-downloading or re-exporting the model if the issue persists.

Hunyuan 3D 2.1 VAE Loader Related Nodes

Go back to the extension to check out more related nodes.
ComfyUI-Hunyuan3d-2-1
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