Real-time 3D Physics in Your Browser

3D Physics Simulator
In Your Browser

Drop objects, drape cloth, write physics scripts, and share your creations -- all from a professional-grade studio that runs entirely in the browser.

Open Studio -- It's FreeSee How It Works
Sim Studio -- Canvas

Interactive 3D Environment

Physics, cloth, scripting, and more

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Simulations Run

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Active Creators

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Uptime

See It In Action

Physics, Cloth, and Shader Editing in the Browser

From rigid body simulations to custom GLSL shaders and procedural geometry -- see what you can build without installing anything.

Real-Time Physics
Real-Time Physics
Real-Time Physics

Physics that feels alive

Watch objects collide, bounce, and tumble with accurate rigid body dynamics. Adjust mass, friction, and restitution on the fly to see instant results.

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Custom Shaders
Custom Shaders
Custom Shaders

Materials with soul

Write GLSL shaders that bring your materials to life. From iridescent surfaces to animated distortions, the shader editor gives you full creative control.

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Procedural Meshes
Procedural Meshes
Procedural Meshes

Geometry from code

Define geometry with code. Build parametric shapes, import custom models, and drop them straight into the physics world for instant simulation.

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Capabilities

A Complete Browser-Based Simulation Toolkit

Rigid body dynamics, cloth simulation, JavaScript physics scripting, procedural mesh generation, and one-click sharing -- all in one editor.

Rigid Body Physics

Drop cubes and spheres into a real-time physics world with adjustable mass, friction, and restitution.

Cloth Simulation

Verlet-integrated cloth with configurable stiffness, wind, and pin points. Drape it over objects in real time.

Physics Scripting

Write JavaScript that runs every physics frame. Apply forces, torques, and impulses to any object in the scene.

Visual Scene Editor

Select, translate, and rotate objects with gizmo controls. Adjust properties in a clean inspector panel.

One-Link Sharing

Generate a unique URL for any scene. Anyone with the link can open and explore your simulation instantly.

Custom Mesh Code

Define procedural geometry with code. Import custom shapes and add them to the physics world.

How It Works

Start Simulating in Seconds -- No Install Required

No sign-up required. Open the studio and start building immediately.

1

Add objects

Drop cubes, spheres, or custom meshes onto the canvas.

2

Press play

Hit the play button to run the physics engine in real time.

3

Tweak and script

Adjust properties or write physics scripts to control the simulation.

4

Save and share

Export locally or save to the cloud and share a link.

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Pricing

Simple, transparent pricing

The studio is free to use. Subscribe to save and share scenes in the cloud.

Builder

Perfect for hobbyists and learners getting started with physics simulation.

1 GBcloud storage
  • Cloud save & load
  • 1 GB scene storage
  • Share scene links
  • Export meshes
$9.99/month
Most Popular

Pro

For professionals who need more storage and advanced simulation tools.

5 GBcloud storage
  • Cloud save & load
  • Unlimited scenes
  • Share scene links
  • Export meshes
  • Unlimited mesh library
$14.99/month

Researcher

Unlimited storage and full access for research teams and power users.

20 GBcloud storage
  • Cloud save & load
  • Unlimited scenes
  • Share scene links
  • Export meshes
  • Unlimited mesh library
  • Bulk scene export
$19.99/month

Cancel anytime. Billed monthly.

Try the Free 3D Physics Sandbox

No account needed. Open the studio, drop in some objects, and press play. Works in any modern browser.

Launch Studio

Free forever. No credit card required.