2D Image to 3D Model AI Render: Process with Stable Diffusion

One intriguing application of AI in computer vision is the rendering of 3D models from 2D images. This capability opens up exciting possibilities for diverse fields such as games, entertainment, architecture, virtual reality, and more

2D Image to 3D Model AI

The process of generating 3D models from 2D images involves leveraging deep learning and neural networks to extract relevant features and spatial information from the input images. These extracted features are then used to estimate the depth and structure of the objects present in the image, ultimately reconstructing a 3D render.

In this text, we delve into the fascinating world of 2D image to 3D model with AI, exploring the process of generating 3D renders from 2D images using the Stable Diffusion model.

So let’s dive into it deeply right now!

generate 3d model from 2d images girl character

Understanding 2D Image to 3D Model Process with Stable Diffusion

In our creative process, we utilize Stable Diffusion, a powerful tool for converting 2D images into 3D model renders for games. 3D modeling for games with AI involves several key steps that help us achieve the desired results.

Firstly, we input the image into Stable Diffusion, which serves as the foundation for generating the 3D model render.

To guide the AI, we provide a prompt that describes the image, such as “a woman in a red dress with black hair”. This prompt helps set the initial context for the model generation.

AI 3D model from image Man Boy

Next, we enhance the prompt by including specific keywords related to AI 3D models from image, such as “3D render,” “3D model,” “Unreal Engine,” “visible polygons,” “low poly,” “complex 3D render,” “ultra-detailed,” “beautiful studio soft light,” and “rim light.”

These keywords provide additional instructions to the AI and influence the style and characteristics of the resulting 3D model.

To maintain control over the composition and stylistic fidelity to the original image, we sometimes employ a control net with contour control. This technique ensures that the generated output remains visually consistent with the original composition and aesthetics.

converts 2D images into 3D models

Additionally, we explore alternative approaches, such as extracting results through the control net or utilizing depth maps, among other extensions. However, further testing is needed to determine the significant differences these techniques may yield.

Our goal is to generate realistic and attractive renders from 2D images, while respecting the original image and the artistic vision behind it. We use Stable Diffusion, a powerful tool that converts 2D images into 3D models, but we do not create full-fledged 3D models. We only produce renders that show the 3D models from different angles and perspectives.

Examples of our AI Generated 3D Renders

Examples of our AI Generated 3D Renders

For our internal projects or to enhance our skills, we create AI-generated game art. This allows us to improve our knowledge and understanding of working with artificial intelligence by turning 2D to 3D with AI, enabling us to integrate such work into projects for our clients in the future.

It is always an exciting process, and we are delighted to share how it unfolds and the results we ultimately achieve.

2D to 3D with AI

Tools and Software for 2D to 3D Conversion

Rendering 2D to 3D AI models in the gaming niche requires specialized tools and software that offer powerful features and user-friendly interfaces. 

Our team uses several popular and time-tested 3D modeling software for games, including Blender, ZBrush, Maya, and, more recently, AI-powered solutions.

2D to 3D AI

However, before diving into the work, it is important to examine their advantages in detail.

We have compiled a small table for better visualization, allowing us to compare them and highlight key features of 2D images to 3D model software.

Software
Features
Blender
  • Advanced sculpting and modeling tools for precise control over object creation.
  • Texture painting and UV mapping capabilities to apply textures and materials to 3D models.
  • Powerful rigging and animation tools for creating dynamic and interactive characters and objects.
  • Integrated physics simulation engine for realistic simulations and effects.
  • User-Friendliness – Moderate to Advanced
  • ZBrush
  • Advanced sculpting brushes and techniques for detailed modeling and sculpting.
  • DynaMesh feature for dynamic mesh creation and manipulation.
  • ZRemesher for automatic topology optimization and retopology.
  • Polypaint feature for applying textures directly onto the 3D model.
  • Integration with other software like Maya and 3ds Max for a streamlined workflow.
  • User-Friendliness – Advanced
  • Maya
  • Comprehensive set of modeling tools for creating 3D assets.
  • Animation and rigging tools for character and object animations.
  • Advanced rendering capabilities for high-quality visuals.
  • Dynamic simulations for realistic physics and effects.
  • Integration with other software and pipelines for a collaborative workflow.
  • User-Friendliness – Beginner to Advanced
  • AI-powered Tools
  • Automatic extraction of depth and structure information from 2D images.
  • AI algorithms that turn picture into 3D model and textures based on the input images.
  • Real-time previews and adjustments to visualize and refine the 3D model.
  • Some solutions may offer additional features like object recognition, scene reconstruction, and texture optimization.
  • The accuracy and level of detail may vary depending on the specific AI algorithm used.
  • User-Friendliness – Beginner friendly
  • turn picture into 3D model

    2D to 3D Software Impact on Game Art Creation

    3D modeling in gaming industry plays a crucial role because no modern 3D game can do without high-quality art.
    The integration of 2D to 3D conversion AI technology has a significant impact on game art creation, providing several advantages to game developers and enhancing player experiences.

    AI-powered 2D to 3D conversion software simplifies the process of translating 2D assets into 3D models by automatically generating 3D renders directly from 2D concept art or 2D sprites.

    2D image to 3D model

    2D image to 3D model AI technology has the potential to generate highly detailed 3D renders from 2D images.

    The algorithms can capture intricate features, textures, and depth information, resulting in more visually rich and detailed game assets. Of course, it will enhance game immersion.

    We consider collaboration between artists and AI systems to yield the best results, combining the strengths of both approaches to create compelling game art.

    AI generated 3D models test test

    2D to 3D with AI: Challenges and Limitations

    Certainly, in this fascinating process, things are not as smooth and easy as they may initially appear. Different types of 3D modeling have their own pitfalls, which we have tried to identify and highlight in order to avoid them in the future.

    • Complex character designs

    Converting intricate and highly detailed 2D character designs into 3D renders can be challenging. AI algorithms may struggle to accurately capture and replicate the intricate details, proportions, and unique artistic styles present in the original 2D artwork.

    • Lack of depth perception

    The resulting 3D renders may lack the same level of depth perception as manually crafted models, affecting their visual quality and realism.

    generating a 3d model from 2d images
    • Mesh optimization

    Generated 3D renders may require further manual refinement to achieve optimal mesh topology and minimize issues like intersecting geometry or excessive polygon counts.

    • Cost

    2D image to 3D model with AI conversion offers cost savings in certain areas, implementing and integrating the technology into existing game development pipelines may come with its own 3D character model cost, for example. 

    • User customization and interactivity

    The generated models might not easily lend themselves to customization features such as character customization or dynamic animations. Additional tools and manual interventions may be required to allow users to personalize and modify the AI-generated 3D assets.

    3D rendering from 2D images

    Text-to-3D Tools | AI Generated 3D Models

    We asked our technical artist, Liza Perun, to show examples from different tools that converted 3D models from 2D images.

    Among the tools we used were Stable Dreamfusion, Zero-1-to-3, Shap-e, DreamGaussian, and 3D CSM AI.

    Stable Dreamfusion

    “The funny thing is that the tool itself can be deployed locally – everything else is very bad
    (at least it was at the time of the test)”

    Cat model, 2D image to 3D
    • Prompt: cute cat

    Zero-1-to-3

    “It can probably be cool if you need to look at an object from a different angle,
    but it’s not exactly 3D

    Giraffe 3D model from 2D image

    Shap-e

    “Very bad in the original angle, even worse if you change the angle
    BUT just from the text gives a relatively good result

    Scandinavian warrior, 3D model from 2D image

    DreamGaussian

    “My favorite, to be honest, the program gives the most impressive results
    (but objectively, it’s still so-so)”

    Santa Claus, 3D Model made from 2D Image

    3D CSM AI

    “I like the clear and accessible interface – also a good result on the first try,
    but I didn’t like that when polishing a 3D model,
    it made a completely different object than the original picture.


    In general, it’s also one of the best programs I’ve used

    Flower, 3D Environment made from 2D Image

    AI Generated 3D Models Future Prospects

    As we can see the field of AI art styles 3D models for game artists has shown significant advancements and holds promising future prospects.

    As AI algorithms continue to evolve and improve, we can expect:

    • Improved accuracy and quality
    • Real-time and interactive generation
    • Collaboration with human artists
    • Integration with augmented reality (AR) and virtual reality (VR)
    2D image to 3D model with AI

    It’s important to note that while generating a 3d model from 2d images has great potential, they are not without limitations. Challenges such as data availability, training complexity, and preserving artistic intent need to be addressed for further advancements in this field. 

    Nonetheless, the future of generative AI in creating 3D  rendering from 2D images looks promising and is likely to bring about exciting innovations and opportunities.

    FAQ

    2D Image to 3D Model AI FAQ

    Fortunately for all artists and game developers, yes, AI generated 3D models can be used in different game engines such as Unity vs. Unreal Engine or Godot. But it’s important to note that the compatibility and performance of AI-generated 3D models may vary depending on the specific game engine and the complexity of the model. In this way the Android game engine 3D models can be used based on standard file formats used by the AI solution for exporting them.

    If you have obtained AI-generated 3D models for games with unique art styles from a source that allows modification and the software you are using supports editing and customization, then it is likely possible to modify the models to suit your specific game art style. However, it’s important to review the licensing agreements or terms of use associated with the models to ensure that you comply with any restrictions or requirements.

    To mitigate privacy concerns, consider using reputable AI tools from trusted sources, review their privacy policies, and be mindful of the data you share and the rights associated with the generated outputs. When in doubt, consult legal or privacy professionals who can provide specific guidance based on your circumstances to turn 2D images into 3D.

    Generating a 3D render from a 2D image typically involves a process called “image-to-3D reconstruction.” This is a multi-step process that requires careful attention, but with the right software and knowledge, it can be accomplished. Having experience with various NFT projects, we have encountered a wide range of software for creating 3D NFT art