Grasshopper

algorithmic modeling for Rhino

Information

Kangaroo

Kangaroo is a Live Physics engine for interactive simulation, optimization and form-finding directly within Grasshopper.

Read about the new release here

The Discussion Forum below is the best place to ask any questions about using Kangaroo.

(Please avoid posting questions on the Comment Wall, as it does not allow organization of replies)

Website: http://kangaroo3d.com
Members: 2689
Latest Activity: 11 hours ago

You can read an introduction to the ideas behind Kangaroo here:

http://spacesymmetrystructure.wordpress.com/2010/01/21/kangaroo/

Kangaroo2 is now available for testing (see full announcement here). Please bear in mind this is still a work-in-progress, and features are still subject to change.

You can download it from here:

http://www.food4rhino.com/project/kangaroo

This thread contains some troubleshooting tips if you have problems getting it installed and working:

http://www.grasshopper3d.com/group/kangaroo/forum/topics/kangaroo-2

The main source of example files for the latest version is here:

https://github.com/Dan-Piker/Kangaroo-examples

Some further example files for version 2.0 can be found here:

http://www.grasshopper3d.com/group/kangaroo/page/kangaroo2-additional-examples

with more to follow - if there is some particular feature you would like more examples of information on please ask there.

The Kangaroo2 solver library is now separate from the Grasshopper components, and can also be referenced and used in scripts, either in the GH VB/C#/Python components, or in RhinoScript/PythonScript in Rhino. Questions about these can also be posted on:

http://discourse.mcneel.com/c/scripting

Kangaroo2 is a complete rewrite, and the main solver/goal/force components are not cross-compatible with the previous version. However, you can keep both versions installed together allowing older definitions to be opened, and for now this is recommended, as there are also several utility and mesh processing functions relevant to both versions.

While v2 introduces many new features and improvements, not all the features from the old version currently have equivalents in the new version, but the plan is to add them all over time.

The links below are for the old version. More documentation and videos for the new version to appear soon.

example files(for version 0.099):

http://www.grasshopper3d.com/group/kangaroo/page/example-files

manual(for version 0.099):

http://docs.google.com/View?id=ddpv

getting started video:

http://vimeo.com/20308963

demo videos:

http://vimeo.com/album/199263

Some more tutorial videos from EXLAB:

http://vimeo.com/exlab/videos

Discussion Forum

6dof nodes + Rigid body collisions 6 Replies

I've just posted on Food4Rhino Kangaroo release 2.2.1http://www.food4rhino.com/app/kangaroo-physicsThe biggest change in this release is the inclusion of 6 degree of…Continue

Started by Daniel Piker. Last reply by Efilena Baseta 12 hours ago.

Curtain with Kangaroo

HiI'm new to Kangaroo. Sorry if this was already discussed or of there's an example file that I did not see.I'm trying to simulate a simple curtain. Just a piece of cloth that is suspended from a couple of anchor points and touches the floor at the…Continue

Started by Jonathan Hermann 18 hours ago.

Need Help With Kangaroo + K2Engineering 2 Replies

Hello,Continuing the last discussion here, I…Continue

Tags: structural analysis, K2E, K2, K2Engineering, Kangaroo2

Started by Irfane. Last reply by Irfane yesterday.

Kangaroo2 Physics Engine Basis

I apologize if this question is too broad, but I'm trying to understand the basis of Kangaroo2, and I've seen it discussed in…Continue

Started by Aaron Caredon yesterday.

Reciprocal connection not working 6 Replies

Hello guys,I am trying to make a dome with a reciprocal modules, with the connection among the struts using cables like in this.…Continue

Tags: simulation problem, tensegrity, reciprocal, kangaroo

Started by Irfane. Last reply by Irfane on Monday.

Double Curvature Surface 6 Replies

Morning!I'm trying to learn Kangaroo and after many tutorials and videos I decided I want to start creating something simple, not just copying what I see in those vids. So I just want to make a double curvature surface; I've used a square for this…Continue

Started by Joseph Beard. Last reply by Joseph Beard Feb 17.

News and Updates

Force polygons of equilibrium structures

I have recently been exploring some reciprocal force diagrams using Kangaroo. From the 1869 paper by James Clerk Maxwell On reciprocal figures, frames and diagrams of forces : …to construct the Polygon of Forces, by drawing in succession lines parallel and proportional to the different forces, each line beginning at the extremity of the last. If the forces acting at the […]

Minimal surface puzzle

The top row shows three different minimal surfaces from the same boundary curves. The bottom row shows the same 3 surfaces rotated and in a different order. Which number corresponds to which letter?

Orthogonal Clustering

I’ve always aimed to make Kangaroo a specifically architectural physics engine. While it shares many characteristics with similar engines used for other purposes, such as games and animation, it has some features that are uniquely suited to designing buildings. Form-finding and physics-based-modelling often result in curved shapes, with an elegant and natural appearance which is something […]

Variation from Uniformity

All of these triangles are identical and equilateral: In architectural geometry over the last few decades, a common topic of research has been how to build and clad doubly curved surfaces in an efficient way. While computer aided manufacturing has made it possible to make buildings where every panel has slightly different dimensions, there are […]

MeshMash!

      As regular readers of this blog will know, I’m passionate about the use of relaxation and force-based methods for optimizing geometry in a very interactive way. There is a great variety of form-finding that can be done by assigning physical forces as interactions between sets of particles. However, in my investigations so […]

Comment Wall

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You need to be a member of Kangaroo to add comments!

Comment by Tushar Sharma on October 30, 2010 at 6:30am
thanks for the invitation!!
Comment by Ante Ljubas on October 30, 2010 at 6:27am
Thanks for your invitation giving company to an important development. The book will be out in November and we mentioned your important work along with your renderings. I´m looking forward for more of your stunning developments. Cheers!
Comment by paul piciorul on October 30, 2010 at 3:55am
Thanks for the invitation.
Looking forward to kangaroo's devlpt and tutorials!!!
byebye.
Comment by Ben on October 30, 2010 at 3:28am
Thanks for the invitation. Looking forward to kangaroo's devlpt. Cheers!
 
 
 

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