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A crowd and traffic simulations add-on for Blender

Available for Blender 2.79, 2.80 and 2.81

Crowd and traffic simulations are available for Blender 2.79, 2.80 and higher.

Demo version

Sign in and checkout the Demo for crowd and traffic. Feature complete but limited to 25 agents. Click here to download the Demo version. Feature complete but limited to 25 agents.

Tutorial Channel

Checkout CrowdSim3D Youtube Channel for tutorials. We're working on new tutorials for traffic and crowds.

Create an army of 1000s of soldiers.
Add logic to stand in formation, run, storm a castle, avoid obstacles, fight, defend counter attacks, use siege weapons, wave flags and many other actions to make your battle scene look impressive.

Create traffic for your city.
The system supports cars, public transport and pedestrians. Configure traffic lights, number of lanes, turning lanes and more. Complete with rotating and turning wheels.

Fill a stadium with 10.000s of cheering supporters.
Have them wave flags or perform the Mexican wave. Create varieties in your crowd by varying meshes and materials of your character.

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Meet us at

  • Siggraph 2019, Los Angeles, California
  • Blender Conference 2019, Amsterdam, Netherlands

Cheering Crowds - Stadium Crowds - Moving Crowds

Collision Avoidance

This tutorial explains how a running crowd can avoid a falling rock.

Running crowd

Watch how you can create a running crowd.

Tortoise formation

In this video we show a crowd doing different animations at the same time.

Place characters in different formations in your scene. Configure the distance, randomness, pattern, area and more.
Let agents navigate the scene, avoid obstacles and other agents. CrowdSim3D supports various algorithms.
Automatic animation merging based on the movement of the agent
Visually program and debug your crowd

Traffic simulations


Fully configure your lanes including number of lanes, lane width, the amount of space and more.

Junctions and traffic lights

The traffic system uses a rules system in which you can fully configure junctions and traffic lights.

Wheel animation

Watch how you can prepare a car including wheel animations to be used in the traffic system.

Non destructive editing and simulation.
Manually configure switching lanes at a junction.
Automatically or manually configure each traffic light.
Incorporate your animation actions to simulate the movement of the tires.

Become an early supporter of CrowdSim3D

Blender Crowdsim € 199

Buy the Blender Crowdsim and get the crowd and traffic simulation. This includes all future updates for both simulations.

Blender Traffic € 49

Blender Traffic is a traffic only simulation add-on. You will receive all future updates for traffic.

Demo version

Sign in and checkout the Demo for crowd and traffic. Feature complete but limited to 25 agents. Click here to download the Demo version. Feature complete but limited to 25 agents.

Coming Soon!

Really soon we will start selling CrowdSim3D. Send us an email, if you want to be directly informed when that happens!

If you don't have a Blender ID you can create one using above link.

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About us

Crowdsim3D is developed by At Mind. We are Blender developers since 2008.

2018 - Developed the Crowd Sim add-on for Blender
Crowd simulation add-on for Blender.

2018 - Developed the Workbench for Blender 2.8
Draw engine optimized for modelling and animation playback speed.

2016 - B3D101
Platform for 3D learning for young students.

2010 - 2012 Developed the Tiles Compositor
Reimplement Blender's internal compositor.

2008 - 2009 Blendfile Reader and Blender Aid
Tools for fixing pipeline issues.

Contact info

Eisdenstraat 7
1066LK, Amsterdam
the Netherlands

Terms of Agreement

CrowdSim3D is property of At Mind; all rights reserved. Intellectual property rights belong to At Mind.

It is not allowed to change the source code, redistribute or resell the add-on.

CrowdSim3D uses your Blender-ID for authentication. You can log in with your Blender-ID.

At Mind doesn’t offer refunds on digital goods.

Payment is handled by a third-party – Mollie. CrowdSim3D doesn’t store payment information and has no control over currency conversion.

Your privacy is important to us. Please read our Privacy Policy, which identifies how CrowdSim3D uses, collects, and stores information it collects.

You agree to indemnify At Mind, and all their affiliates, employees, representatives, third party service providers, and to defend and hold each of them harmless, from any and all claims, damages, costs, expenses and liabilities (including attorneys' fees) arising out of or related to your breach of the Terms of Agreement or your use of the Crowdsim3D add-on.

At Mind makes no representation about the suitability, reliability, and accuracy of the Crowdsim3D add-on for your purpose.

At Mind shall not be liable to you or any third parties for any direct, indirect, special, consequential or punitive damages of any kind, regardless of the type of claim or the nature of the cause of action, even if At Mind has been advised of the possibility of such damages. Without limiting the foregoing, At Mind shall have no liability to you or any third parties for damages or harms arising out of the use of the CrowdSim3D add-on.

If you are dissatisfied or have questions, please contact us.

Privacy Policy

Account information

CrowdSim3D website uses your Blender-ID to authenticate and login. We store your Blender-ID along with your full name and email that is related to your Blender-ID. We don’t store the username and password of your Blender-ID. Currently the CrowdSim3D website stores the email and full name provided by your Blender-ID but makes no further use of this information.


CrowdSim3D website does not use tracking cookies for advertising or analytics – only cookies necessary for a functioning website and webshop.

Payment information

CrowdSim3D website does not store payment information. Payment is handled by a third party payment provider, Mollie ( They store all payment and transaction information according to Dutch and European rules and laws.

Other personal information

When you buy a product we are required by law to collect and information of the purchaser. This includes purchaser’s full name, email, address, postal code, city country and IP address. In case of a company we also need your name and VAT number.

What do we do with this information?

When asked, we have to provide the collected information to the EU tax agencies to prove that the correct amount of EU VAT has been charged.

If you are a company in the EU your Company VAT number will be shared with the Dutch tax agency and the tax agency of your country of residence, along with the amount purchased – also to comply to EU laws.

If you have an account, you can request to receive an exported file of the personal data we hold about you, including any data you have provided to us. You can also request that we erase any personal data we hold about you. This does not include any data we are obliged to keep for administrative, legal, or security purposes.