3D Mesh & Physics | SimPrep
01 / INFRASTRUCTURE

3D Mesh & Physics Infrastructure

Simulation-ready geometry processing. COACD-based convex decomposition for accurate collision meshes. Physics-aligned topology for real-time and offline simulation environments.

Web-Based Mesh Processing

Generate simulation-ready USD assets directly in your browser

app.simprep.io/mesh-physics
Import
Drop OBJ, FBX, GLTF
or click to browse
Loaded Assets
robot_arm.fbx
245K polygons
gripper_v2.obj
✓ Processed
Orbit
Pan
Zoom
7 Convex Hulls Generated
COACD Output
Convex Hull
Center of Mass
CoACD Settings
Threshold 0.05
Max Hulls 32
Resolution 2000
Physics Alignment
Auto Center of Mass
Compute Inertia
Orient to Principal Axes
Export Target
PhysX
Bullet
MuJoCo

Technical Specifications

Industry-leading geometry processing capabilities for simulation environments.

Parameter Specification
Decomposition Engine COACD v2.1
Max Polygons 10M+
Physics Engines PhysX, Bullet, MuJoCo
Latency <50ms p99
Input Formats OBJ, FBX, GLTF, USD
Output Collision Mesh + Visual Mesh

Core Capabilities

Comprehensive geometry processing pipeline for simulation-ready assets.

Manifold Repair

Automatic topology correction for non-manifold geometry. Hole filling, edge repair, and mesh cleanup.

COACD Decomposition

Convex hull generation using state-of-the-art approximate convex decomposition algorithms.

Physics Alignment

Mass properties calculation including center of mass, inertia tensors, and volume estimation.

Multi-Engine Export

Native export for PhysX, Bullet, and MuJoCo physics engines with optimized collision shapes.

LOD Generation

Automatic level-of-detail mesh generation with configurable reduction ratios and quality preservation.

Batch Processing

Parallel mesh processing for large asset libraries. Queue management and progress monitoring.

Processing Pipeline

End-to-end geometry preparation for simulation environments.

01
Input Geometry
.obj .fbx .gltf
02
Manifold Repair
topology fix
03
COACD Decomp
convex hulls
04
Physics Align
mass props
05
Simulation Mesh
collision-ready

Use Cases

Industry applications for mesh and physics infrastructure.

Robotics

Robotics Simulation

Accurate collision detection for robot manipulation tasks. Gripper contact simulation and object interaction modeling.

Gaming

Game Development

Optimized collision meshes for real-time physics. Performance-focused decomposition for interactive environments.

Industrial

Digital Twins

High-fidelity geometry representation for industrial equipment. Accurate physics for predictive maintenance simulation.

Automotive

Virtual Testing

Crash simulation geometry preparation. Deformable body modeling for safety validation.