Sb3utility Tutorial ((free)) -

SB3Utility (often abbreviated as SB3UGS) is a specialized modding tool primarily used for editing Illusion game files (like Koikatsu, Honey Select, and AI Girl). Unlike simple extractors, it allows you to directly modify, swap, and export 3D assets, textures, and animations within .unity3d asset bundles. Core Functions & Workflow

Asset Bundles: Use it to open .unity3d or .arc files to view internal resources like meshes (SkinnedMeshRenderer), textures (Texture2D), and materials.

Model Swapping: High-level modding often involves exporting a game's model as an .fbx, modifying it in Blender, and then using SB3Utility to Replace the internal mesh while preserving the game's original bone structures.

Texture Editing: You can right-click any Texture2D asset to export it as a .png or .tga, edit it in Photoshop, and then Replace it to update character outfits or UI elements. "Deep Content" Modding Steps

Preparation: Download the latest version from the SB3Utility GitHub repository.

Navigation: Use the Asset List tab to find specific objects. Deep editing usually requires looking into the Animator or SkinnedMeshRenderer components to find which materials are assigned to which body parts. The "Replace" Method: Load the original game file. Load your modified file (e.g., a new .fbx or .png).

Drag and drop the new component over the old one and select Replace. sb3utility tutorial

Save and Re-compress: Always save the bundle after changes. For newer games like Koikatsu, it is recommended to package these changes as a .zipmod for easier management. Key Resources

Official Repository: Access the source code and latest releases on GitHub.

Modding Wikis: The Hgames Wiki provides specific tutorials for older Illusion titles.

Community Guides: Comprehensive documentation for modern titles can be found in the Koikatsu-Modding GitHub Index. If you'd like to dive deeper, let me know: Which specific game are you modding?

Are you trying to swap models, edit textures, or modify animations?

Are you encountering a specific error when saving or replacing files? SB3Utility (often abbreviated as SB3UGS) is a specialized

I can provide a step-by-step walkthrough for your exact goal. Honey Select UI Modding Tutorial

SB3Utility (and its GUI version, SB3UGS) is a powerful tool primarily used for modding 3D games from the developer Illusion, such as Honey Select, Koikatsu, and AI-Shoujo. It allows you to extract and replace meshes, textures, and animations within .unity3d and .pp asset files. Essential SB3Utility Workflow Guide 1. Setup & Installation

Download: Get the latest release from the enimaroah SB3Utility GitHub.

Execution: Extract the files and run sb3utility.gui.exe to open the graphical interface. No complex installation is usually required; just keep the folder structure intact. 2. Core Modding Tasks Editing Textures Open a .unity3d file to swap images.

1. Drag the file into SB3UGS.2. Navigate to the texture asset.3. Right-click and choose Replace with your new PNG/DDS. Exporting Meshes Move game models into Blender/Maya.

1. Select the Mesh tab.2. Choose a format like FBX or MQO and click Export. Importing Meshes Add custom models into the game. Expand the opened title to view partitions: firmware,

1. Drag your edited mesh file into the software.2. Use the Goto Frame tool to identify the target bone/mesh.3. Drag the imported mesh over the target mesh to replace it. Animation Handling Extract or play in-game animations.

1. Open an animation file (e.g., from studio anime folders).2. Set the Path ID to "body bone" to preview the movement. 3. Critical "Pro Tips" for Success

Always Backup: Before saving any changes, ensure you have a copy of the original asset. SB3UGS often creates an automatic .bak file, but manual backups are safer.

Search and Filter: Use the built-in search tool to find specific assets by name within large bundle files.

Normals and Physics: After importing a mesh, remember to check the Normals under the Mesh tab to ensure lighting looks correct in-game.

Saving Changes: Use Ctrl+S or File > Save to commit your changes to the asset bundle. Troubleshooting Common Issues

3. Browsing archives

Example Use Case: Generating a Project Programmatically

Here's an example of how to generate a simple Scratch project programmatically:

import sb3utility
# Create a new project
project = sb3utility.Project()
# Create a new sprite
sprite = sb3utility.Target(project, 'Hello World')
project.targets.append(sprite)
# Create a new block
block = sb3utility.Block('looks_say', 'MESSAGE': 'Hello, world!')
sprite.blocks.append(block)
# Save the project
project.save('path/to/hello_world.sb3')

Merging SB3 Files

  1. Open SB3 Utility and select the "Merge" tab
  2. Choose the SB3 files you want to merge
  3. Select the merge options (e.g., merge sprites, scripts, or both)
  4. Click "Merge"

5.2 Edit in Blender

2. Installation & Setup