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Create different characters by varying your materials and meshes.


Create a crowd and use a formation to place them in your scene.


Use behavior trees and navigation meshes to simulate your crowd.

Take a tour

Watch the video to get an impression of features that CrowdSim3D offers.

Meet us at

  • Siggraph 2018, Vancouver, Canada
  • Blender Conference 2018, Amsterdam, Netherlands


Create different characters by varying your materials and meshes.


Create a crowd and use a formation to place them in your scene.


Use behavior trees and navigation meshes to simulate your crowd.


When you have a model you can specify how the CrowdSim should create characters from different meshes. When creating a crowd you can configure how these characters are distributed in your crowd. You can vary the textures, values and colors of materials creating even more variations. Once the CrowdSim has generated your characters you can fine tune the generated characters.


The Blender CrowdSim lets you add agents to your scene. Agents are placeholders for your characters. You can add 1 agent or multiple agents. You can use different formations to add agents like triangle, grid, random, mesh, quincunx. You can set the number of agents, their distance and facing direction. After the CrowdSim has created your agents, you can easily adjust each agent.

Behavior Tree

Add logic to your agents by defining how they should behave using a behavior tree. Set a target for a group of agents and add a path navigation. The agents will determine routes towards the target. You can set rules to avoid other agents or obstacles. If you add walk cycles the CrowdSim will create a walk animation based on the walking speed. If your agent intersects with another object you can add an action that will be added to the animation.

These are some examples but you can create many more behaviors using the CrowdSim Nodes.


CrowdSim3D is always under development. If you are an early supporter, you will receive future updates for free. Here is a list of features we are working on.

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.