Fast STEP CAD to GLB converter for Unity with OCCT engine, batch processing, and precision-controlled mesh generation.ModLink is a high-performance CAD-to-Unity conversion tool that transforms STEP files into optimized GLB models using a native OCCT-based engine.Built for engineering-grade workflows and real-time 3D applications, it delivers accurate CAD tessellation with full control over mesh quality and performance.⚡ Why ModLink?🚀 Convert STEP CAD to GLB in seconds🧠 OCCT-powered industrial-grade precision📦 Batch processing for large CAD datasets🎛 Adjustable mesh accuracy (angle + deflection)⚙ Native Windows x64 performance pipeline🔗 Direct Unity Editor integration🧩 Simple Workflow STEP files → Unity → Convert → GLB → glTFast → Scene Ready🎯 Precision Control Balance quality and performance with two core parameters:Angular Deflection → surface smoothnessLinear Deflection → geometric accuracy From ultra-precise engineering models to real-time optimized assets.🖥 OutputStandard GLB (glTF 2.0)Ready for Unity rendering pipelineCompatible with glTFast importer🏭 Best ForCAD visualization in UnityDigital twin systemsManufacturing & engineering workflowsBIM / industrial simulationReal-time product configurators⚠ RequirementsUnity Editor (Windows only)Windows x64 platform requiredNative OCCT DLL dependencies🔗 Recommended Integration For best results, use with: glTFast (Unity official GLB importer)🧩 Technical DetailsEngine: OpenCascade (OCCT) based native geometry kernelPlatform: Unity Editor (Windows only)Architecture: Windows x64 native plugin (DLL required)Input Format: STEP (.step, .stp) CAD filesOutput Format: GLB (glTF 2.0 binary)Rendering Compatibility: Unity compatible via glTF importer (glTFast)⚙ Mesh GenerationTessellation method: OCCT BRep mesh algorithmAdjustable parameters: Angular Deflection (rad), Linear Deflection (mm)Supports precision vs performance trade-off🚀 PerformanceNative C++ conversion pipelineBatch processing supportedOptimized for large CAD assembliesNo runtime GPU dependency for conversion🔗 DependenciesOpenCascade Technology (OCCT) runtime libraries included (Windows x64)Unity glTF importer recommended🖥 RequirementsUnity 2021 LTS or newer (recommended)Windows 10/11 x64Graphics API: Any (conversion is CPU-based)Editor-only workflow (not intended for mobile runtime)⚠ NotesmacOS and Linux are not supported due to native dependency constraintsRequires correct DLL folder setup via Unity Editor menuDesigned for CAD visualization and engineering workflows
