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Split 3D meshes into separate parts, group geometry, and export independent Mesh Assets and prefabs directly in Unity - without modifying the originalsNeed to extract individual parts from a 3D model without opening Blender?Mesh Separator is a Unity Editor tool that lets you split existing meshes into independent geometric parts, visually select and group them, and export the results as separate Mesh Assets and ready-to-use prefabs.Whether you're separating wheels from a vehicle, extracting objects from an environment model, or reorganizing imported geometry, Mesh Separator makes the process fast and straightforward.Key FeaturesAutomatic Mesh Separation — Detect disconnected geometry islands and separate them into individual parts.Submesh Separation — Split models based on existing submesh boundaries.Interactive Selection — Preview your model and select individual parts directly in the editor.Custom Grouping — Combine multiple geometry islands into logical groups before exporting.Mesh Extraction — Generate independent Mesh Assets from selected parts or groups.Prefab Export — Create a ready-to-use prefab with separate GameObjects for each exported group.Pivot Control — Keep the original pivot or reposition it to the center of the extracted geometry.Preserve Mesh Data — Retain materials, UV coordinates, normals, tangents, and vertex colors.Non-Destructive Workflow — Original models and imported assets remain unchanged.Perfect for:Separating vehicle wheels, doors, and other components.Extracting individual objects from combined 3D models.Preparing imported assets for animation or interaction.Reorganizing environment models into reusable parts.Creating independent objects from existing geometry.Split it. Group it. Extract it. All inside Unity.Mesh Separator works with existing geometry and submeshes. It does not perform arbitrary cuts through connected polygon surfaces.CompatibilityUnity 2022.3 LTS and newer, including Unity 6.Unity Editor extension.Designed for static meshes using MeshFilter and MeshRenderer.No external modeling software required.Separation ModesConnected Geometry — Detects disconnected geometric islands based on triangle connectivity, including geometry separated by UV seams.By Submesh — Separates existing submesh sections.Mesh ProcessingInteractive geometry selection and grouping.Supports multiple materials and submeshes.Preserves UV coordinates, normals, tangents, and vertex colors.Rebuilds vertex and triangle indices for extracted meshes.Recalculates mesh bounds.Pivot options: Original and Bounds Center.ExportExports independent .asset meshes.Generates prefabs containing separate GameObjects with MeshFilter and MeshRenderer components.Preserves material assignments and the model's visual positioning.Does not modify original FBX files or source Mesh Assets.LimitationsDesigned for static meshes.Does not support SkinnedMeshRenderer or blend shapes.Does not perform Boolean operations or arbitrary polygon cutting.Connected geometry must contain separable geometric islands; fully welded surfaces cannot be arbitrarily divided in Connected Geometry mode.Minimum supported Unity version: 2022.3 LTS.AI Code Assistance