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MeshRefinery

MeshRefinery is an online 3D model repair tool that runs in the browser, focusing on free repair of broken 3D models. It can diagnose and fix open edges, holes, non-manifold meshes, and floating debris, allowing slicing software to accept the model normally. It supports parsing and conversion of formats such as STL, OBJ, GLB, glTF, and 3MF. All parsing and repair are performed locally in the browser via WebAssembly, and models are not uploaded to a server. It also provides an AI image-to-3D generation feature. Users can use the core tools without registering an account, diagnosis is always free, and deep repair and AI generation consume credits.

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About this tool

MeshRefinery is an online model repair tool for 3D printing and modeling users, focused on solving the common mesh breakage issues of AI-generated models and 3D-scanned models, so that slicing software can correctly recognize and print the models.

[Purpose] Meshes produced by AI generation tools and 3D scanners often contain holes, debris, and non-manifold geometry that are invisible to the naked eye. They look perfect, but are rejected on the first slicing check. MeshRefinery is used to diagnose and rebuild these models so they become watertight meshes, while also providing format conversion capabilities.

[Main Capabilities]

  1. Watertight repair: fill small holes, remove non-manifold edges, and remove floating debris, outputting files acceptable to slicing software. Official examples show that 40,836, 48,222, 28,731, 54,928, and 46,230 open edges were repaired to 0.
  2. Instant diagnosis: flag open edges, non-manifold geometry, floating shells, and degenerate faces in less than a second. Diagnosis is always free, with no paywall.
  3. Format conversion: support conversion between STL, OBJ, GLB, glTF, and 3MF, including GLB to 3MF with color preservation.
  4. Local processing: parsing and repair run in the browser tab via WebAssembly. Models are not uploaded to a server, and no files are retained.
  5. Real-time 3D preview: rotate and inspect the model before and after every operation.
  6. AI image-to-3D: generate 3D models from images. The official claim is that the generated models can be used commercially.

[How to Use] No account registration is required, and the core tools are free for a single file. Drag and drop .stl, .obj, .glb, .gltf, .3mf, and other files for instant parsing in the browser. The process has three steps: drag in the model -> view the diagnostic report -> one-click repair or convert and download locally. In terms of payment, diagnosis is always free; deep repair costs 20 credits, and image-to-3D costs 30 credits. Subscription plans include 1,800 credits per year (150 per month, 20% cheaper than monthly), 4,800 credits per year (400 per month, including priority email support), and 18,000 credits per year (1500 per month, the best subscription price per credit).

[Repair Type Differences] Free repair rebuilds the geometry to make the model watertight, but colors are discarded. Deep repair rebuilds the surface and transfers approximate surface colors from a self-contained GLB file to vertex colors. Both repairs run on the user's real files, and diagnostic results can be seen before paying.

[Applicable Scenarios] Suitable for model repair before 3D printing, mesh cleanup of AI-generated models (such as those from Meshy, Tripo, Hunyuan, etc.), repair of photogrammetry scan models, and format conversion for printing, games, and web use.

[Limitations and Unknowns] The official claim is that it can repair broken models from any source, as long as holes, debris, or non-manifold edges exist. However, the specific cases that cannot be repaired are not clearly stated officially. Free repair does not preserve color. Details such as the currency unit for credits and subscriptions, refund policy, and specific browser versions supported are not yet provided in the information.

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