What is TRELLIS 3D?

What is TRELLIS 3D?

January 8, 2025

3DAIAsset CreationDesign

What is TRELLIS 3D? A Game-Changer in 3D Asset Creation

TRELLIS 3D is a revolutionary approach to 3D asset generation that merges advanced AI technologies with innovative architectural structures to produce versatile, high-quality 3D models. This cutting-edge framework leverages Structured Latent (SLAT) representations, which allow for scalable and precise 3D generation. Developed by experts at Tsinghua University, USTC, and Microsoft Research, TRELLIS enables the creation of 3D assets with detailed geometry and vivid textures using powerful AI models.

The Core Technology Behind TRELLIS 3D

At the heart of TRELLIS 3D is its Structured LATent (SLAT) representation, a unified framework for creating 3D assets. By combining a sparse 3D grid structure with dense multiview visual features, TRELLIS captures both the geometric (structure) and the visual (appearance) characteristics of 3D objects. This unique fusion is what allows TRELLIS to generate high-quality 3D objects that are not only realistic but also flexible in terms of output formats and manipulation capabilities.

The integration of rectified flow transformers is key to handling the sparsity in the SLAT model. This enables the generation of realistic 3D assets in various forms, including 3D Gaussians, Radiance Fields, and meshes. The AI-powered process uses up to 2 billion parameters trained on a massive dataset of 500,000 diverse 3D objects, ensuring flexibility, quality, and precision in asset creation.

The Versatility of TRELLIS 3D

One of the standout features of TRELLIS is its versatility in generating different types of 3D assets. Whether you need a simple object for game design or complex, intricate 3D art, TRELLIS delivers. Here’s how:

  • Text-to-3D Generation: TRELLIS allows you to input text prompts (such as “vintage copper rotary telephone with intricate detailing”), which are then converted into 3D models. This functionality is powered by GPT-4, ensuring that your prompts generate results that are not only accurate but also creatively compelling.

  • Image-to-3D Generation: TRELLIS also supports the conversion of images into 3D assets. By leveraging DALL-E 3 and other advanced image generation techniques, TRELLIS can create 3D assets directly from image prompts, adding another layer of creative flexibility.

  • Asset Variants and Local Editing: One of the most innovative features of TRELLIS is its ability to generate variants of existing 3D models. For instance, you could create a rugged metallic texture for an object, or add a transparent glass-like structure to a model, simply by providing the right text prompts. In addition, you can make local edits to 3D assets, such as removing arms from a battle mech or replacing its legs with a tracked chassis, allowing for highly personalized 3D designs.

Applications in Art and Design

With its high-quality 3D assets, TRELLIS is not just for developers and designers—it’s also a game-changer for artists. By utilizing TRELLIS’ powerful asset generation and manipulation features, artists can create vibrant, complex 3D art designs with ease. This makes TRELLIS an invaluable tool for anyone looking to push the boundaries of 3D art creation.

How TRELLIS Works: The Methodology

The key to TRELLIS’ effectiveness lies in its SLAT framework. This combines sparse structures with dense visual features extracted from pretrained vision models. The latent vectors for non-empty cells are then generated, ensuring that both geometry and texture are accurately captured. Thanks to the application of rectified flow transformers, TRELLIS can handle large datasets and diverse asset requirements, pushing the boundaries of what’s possible in 3D generation.

TRELLIS operates in a two-stage pipeline:

  1. It first generates the sparse structure of the 3D object.
  2. It then fills in the non-empty cells with detailed information to complete the asset.

This methodology allows for scalability and flexibility, making TRELLIS a robust solution for a wide range of 3D asset creation needs.

Conclusion: Why TRELLIS is the Future of 3D Generation

TRELLIS 3D represents a significant leap forward in the field of 3D asset generation. With its unique blend of AI-powered text-to-3D generation, image-to-3D conversion, and local editing capabilities, TRELLIS offers a level of flexibility and quality that was previously unheard of. Whether you are a developer, designer, or artist, TRELLIS provides you with the tools needed to create stunning, versatile 3D assets that can be tailored to any project.

For those interested in exploring this powerful technology further, TRELLIS offers a demo, code, and data that will soon be released to the public.