Transforming Sketches Into Renderings For Free With ComfyUI and Krea.AI

Filipe Boni
22 Mar 202416:37

TLDRIn this tutorial, Phillippy demonstrates how to convert a sketch into a detailed rendering using free software like ComfyUI and Krea.AI. The process involves uploading a sketch, configuring settings in ComfyUI, and enhancing the image with Krea.AI. The final step includes using Pabs to animate the image, creating an engaging video. The video is aimed at those interested in transforming their art into realistic renderings and animations.


  • ๐ŸŽจ Use free software like ComfyUI and Krea.AI to transform sketches into detailed renderings.
  • ๐Ÿ’ป Install and run Kiii, a software for generating renderings on your computer.
  • ๐Ÿ“ˆ Configure the dashboard in Kiii to set up checkpoints, prompts, and image generation parameters.
  • ๐Ÿ–Œ๏ธ Load your sketch into Kiii by adding an image node and connecting it to the latent VAE incode.
  • ๐Ÿ”„ Adjust the D noise and prompt weight to refine the image, finding the right balance between the original sketch and the rendering.
  • ๐ŸŒŸ Add a prompt to enhance the image with desired elements like natural light or specific room details.
  • ๐Ÿ“ Write a detailed prompt to guide the AI in generating the desired outcome.
  • ๐Ÿ” Test different prompt values and settings to find the best results for your specific sketch.
  • ๐Ÿ–ผ๏ธ Save the generated image and use Krea.AI to enhance it further with its 'enhance image' feature.
  • ๐ŸŽฅ Utilize software like Pabs to create videos from your images, adding animations and motion to bring the image to life.
  • ๐Ÿ’ก Experiment with different prompts and settings in AI software to achieve the best rendering for your project.

Q & A

  • What is the main topic of the video?

    -The main topic of the video is transforming sketches into renderings using free software like ComfyUI and Krea.AI.

  • Which software is used to generate the renderings?

    -The software used to generate the renderings is called 'Kii', which is a free software that runs on your computer.

  • What is the purpose of the 'prompt' in the context of the video?

    -The 'prompt' is used to guide the software on what details to include in the rendering, such as adding natural light or a realistic look.

  • How does the 'negative prompt' function in the software?

    -The 'negative prompt' is used to specify elements that should be excluded from the rendering, such as text or watermarks.

  • What is the role of the 'latent vae incode' in the process?

    -The 'latent vae incode' is a node that helps to connect the image to the software's processing system, allowing the transformation from sketch to rendering.

  • How does the 'D noise' value affect the rendering?

    -The 'D noise' value determines how much the final image will resemble the original sketch. A smaller value preserves more of the original image's details.

  • What is the purpose of the 'checkpoint' in the software?

    -The 'checkpoint' is a setting that allows users to add specific configurations or presets to the rendering process.

  • How can the final rendering be enhanced?

    -The final rendering can be enhanced using Krea.AI's 'enhance image' feature, which improves the details and overall quality of the image.

  • What is the name of the software used to create a video from the rendering?

    -The software used to create a video from the rendering is called 'Pabs'.

  • What are some of the limitations of the free version of Pabs?

    -The free version of Pabs has limitations such as a watermark on the generated images and fewer options for customizing the animation and duration of the video.

  • How can users stay updated with future classes?

    -Users can stay updated with future classes by following the presenter, who will provide new classes and updates in the future.

  • What is the presenter's recommendation for users who generate only a few images?

    -The presenter suggests that for users who only need to generate one or two images, the free version of the software is sufficient and there is no need to invest in the paid version.



๐ŸŽจ Transforming Sketches into Renders with Free Software

In this segment, the speaker introduces a tutorial on converting hand-drawn sketches into detailed digital renders using free software. They mention using 'kii' software, which is presumably installed and will be utilized to transform the sketch into a more refined image. The process involves setting up the software's dashboard, loading the sketch as an image, and connecting various nodes to configure the rendering process. The speaker guides through removing default settings for random image generation and instead focuses on using the provided sketch, adjusting parameters like 'D noise' for image fidelity, and incorporating elements like natural light to enhance realism.


๐Ÿ–Œ๏ธ Enhancing Realism and Details in Rendered Images

The speaker continues the tutorial by discussing the fine-tuning of the rendering process to achieve a balance between the sketch's original look and a more realistic outcome. They suggest experimenting with 'D noise' values to find the best match between the sketch and the final render, with a range of 0.4 to 0.6 being optimal based on their experience. Additional elements such as natural colors, beach walls, and a blue sky are recommended to enrich the image. The speaker also touches on the importance of adjusting prompts and understanding the AI's output to achieve better results, leading to a more detailed and refined image.


๐Ÿ–ผ๏ธ Image Enhancement and Creating Videos with AI Tools

This part of the script focuses on enhancing the already rendered image using a tool called 'ca.a', which offers both free and paid options for image enhancement. The speaker describes the process of uploading the image and using the enhancement feature to improve details and overall quality. They then introduce 'pabs', a software accessible through Discord, which can animate and create videos from images. The speaker demonstrates how to use 'pabs' to add motion effects like camera zoom and rotation to generate a short video clip, comparing the free and paid versions of the software and their respective features.


๐ŸŽ‰ Finalizing the Rendered Image and Video Generation

The final paragraph wraps up the tutorial by summarizing the journey from a simple sketch to a detailed rendered image and video. The speaker expresses satisfaction with the outcome and suggests that further improvements could be made. They save the enhanced image and use 'pabs' to create a video, highlighting the capabilities of the paid version for generating longer, higher-quality videos without watermarks. The speaker concludes by encouraging viewers to stay tuned for future classes and updates on this topic, thanking them for their attention.




A sketch is a rough, preliminary drawing that an artist creates as a concept or idea for a project. In the video, the term 'sketch' refers to the initial hand-drawn design that the presenter plans to transform into a detailed rendering. The process begins with a sketch that the user might have drawn, which is then used as a base to create a more refined and polished image.


Rendering in the context of this video refers to the process of converting a sketch or a simple design into a more detailed and realistic image using digital tools. It is a technique used to add depth, color, and texture to a 2D sketch, making it visually appealing and closer to the final product. The video demonstrates how to use software to transform a sketch into a rendering.


Kii, as mentioned in the script, is a software tool used for generating renderings from sketches. It is part of the process where the sketch is uploaded and transformed into a more detailed image. The software is described as being free and capable of running on a user's computer to create these renderings.


Checkpoints in the video script refer to specific configurations or saved states within the Kii software that can be downloaded and used to enhance the rendering process. They are part of the software's functionality that allows users to apply certain settings or styles to their images.


In the context of this video, a prompt is a set of instructions or a description that guides the software on how to transform the sketch into a rendering. It includes details like desired elements, style, and effects that the user wants to see in the final image. The script mentions adding prompts to customize the rendering output.

๐Ÿ’กNegative Prompt

A negative prompt is used in the software to specify elements or features that the user does not want to include in the final rendering. For example, if the user wants to avoid text or watermarks in the image, they would add these as negative prompts to ensure they are excluded from the final output.

๐Ÿ’กvae incode

The term 'vae incode' likely refers to a specific function or setting within the Kii software that deals with encoding the image data into a form that the software can use to generate the rendering. It is part of the technical process described in the script where the sketch is transformed into a digital format that the software can manipulate.

๐Ÿ’กD noise

D noise in the script seems to refer to a parameter or setting that affects the detail and noise level in the rendering process. A lower D noise value would result in a cleaner, more faithful reproduction of the original sketch, while a higher value introduces more variation and detail.

๐Ÿ’กEnhance Image

The 'Enhance Image' feature, as described in the script, is a function within the 'ca.a' software that improves the quality and detail of an image. It is used after the initial rendering to add more definition and clarity to the final image, making it more realistic and visually appealing.


Pabs is a software mentioned in the video for generating animations or videos from images. It operates through a Discord channel and allows users to add motion and other effects to their images. The script describes using Pabs to create a video from the rendered image by adding camera movements and other animations.


Introduction to transforming sketches into renderings using free software.

Using ComfyUI and Krea.AI to create detailed renderings from sketches.

Installation and setup of the software Kiii for rendering.

Explanation of the Kiii dashboard and its features.

Importing a sketch into Kiii for transformation.

Connecting nodes in Kiii to generate the image prompt.

Adjusting settings like value and D noise for image quality.

Writing prompts to guide the AI in generating desired images.

Utilizing checkpoints for enhancing realism in renderings.

Observing the evolution of the image as it's being processed.

Improving the image by adjusting D noise and adding details.

Using the software ca.a to enhance the final image.

Comparing the original and enhanced images for detail improvement.

Introduction to using Pabs for generating videos from images.

Animating the image with camera movements using Pabs.

Differences between the free and paid versions of Pabs.

Final result of the video generated from the sketch.

Conclusion and future updates on the process.