Grasshopper

algorithmic modeling for Rhino

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Kangaroo

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

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

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

Members: 1669
Latest Activity: yesterday

Discussion Forum

Equal triangles distribution on non-planar surface 2 Replies

Hi guys,I intended to create equal triangles distribution (like diagrid) on non-planar surface with Kangaroo.I've been tried it with paneling plugins, but it's not worked for nonplanar surface. It gave me triangles with different angle.I want to…Continue

Tags: triangle, equal, Kangaroo

Started by Boogey. Last reply by Boogey yesterday.

New origami example 26 Replies

Origami_simplified.ghThis example shows the use of the new user object…Continue

Started by Daniel Piker. Last reply by Jiangmei Wu on Thursday.

Kangaroo Box Collide + Curved Surface Distribution troubleshooting

Hi everyone,I recently started using Kangaroo and have been trying to distribute points with associated boxes across a surface. I've managed to distribute the points without too much trouble, however I now want to make sure none of the boxes…Continue

Tags: Surface Distribution, Box Collide, Kangaroo

Started by Sean Taaffe Sep 10.

Pantographic/ Scissor 2 Replies

Hallo everyone, as known that a Pantograph or a Scissor works typically at least with 2 bars which are sharing a pivot, and, if needed, a fixed anchor:…Continue

Started by Frank. Last reply by Frank Sep 5.

AnchorSpring: Constrain an anchorspring-point to a certain range 2 Replies

hello to everyone.I will find really useful to be able to constrain an anchorspring-point in a certain range from the original one during a simulation.Rightnow I can use "Sticky" in AnchorSpring to make react this component only after having…Continue

Started by Davide Scialò. Last reply by peter fotiadis Aug 23.

Optimizing for specified edgelengths 13 Replies

Hello everyone!Is it possible with Kangaroo to optimize a certain topology onto a surface, so it has only a few specified edgelengths?The goal would be to not have transition between the edgelengths, but approximate a few specified values as much as…Continue

Tags: length, edgelength, edge, multiple, mesh

Started by sas som. Last reply by taz Aug 21.

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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Comment by S.Sifakis on May 20, 2014 at 1:11pm

Hello Daniel,

I am trying to inflate 4 balloons within a box which itself also inflates. I would like to constraint the balloons inside the box but it is not working. The external surface of the inflatable object collide with the exterior surface of other objects but not the exterior with the interior. Is there something wrong with my definition or there is another way to do it?

Any help on this matter would be really appreciated since it is part of my thesis project!!

Thanks!!!! :) mesh_sphere_balloon4.gh

Comment by Luis García Lara on April 17, 2014 at 9:05am

Hi Daniel,

i'm having an error using KingKong plug-in, this error come from the kangaroo cluster, I think it's for the change of the hinge component in the last update of kangaroo, i'm wondering if someone can share the password for update the cluster?¿ or update the cluster and share again for continue using this nice plug-in?¿

http://www.grasshopper3d.com/group/kingkong/forum/topics/hinge-erro...

Thanks

Comment by S.Sifakis on April 17, 2014 at 5:32am

Hello,

I am trying to create constaint on  an inflattable mesh by using a curve as a spring. I used the mesh collide  component in order to deform the mesh following the curve as a constraint but the mesh doesn't seem to recognize it. I am working on the file that originated from this discussion.
http://www.grasshopper3d.com/group/kangaroo/forum/topics/simulating...
Any help would be appreciated

Sandra

inflatetriangulatedmesh_test_spring.ghx

inflateatriangulatedmesh_test_spring.3dm

Comment by Aurea Botelho on April 17, 2014 at 5:23am

I have uploaded Kangaroo and it's not working at all :/

Comment by chaz on February 12, 2014 at 11:56am

hey guys im having a severe problem. I cant find kangaroo anchor points while im using the kangaroo plugin! please help 

Comment by ALI ESLAMI on February 12, 2014 at 4:29am
Comment by andres obregon on January 9, 2014 at 2:07pm

Juan

thank you , it is working now.

Comment by Juan Carpio on January 9, 2014 at 10:14am

Hi Andrés. Just make flatten at "Force Objects".  

Comment by andres obregon on January 9, 2014 at 9:09am

Hello All.

I am testing the catenary example, but it does not work, I have an error 1. Solution exception: Index was out of range. Must be non- negative...

somebody could explain me how do I fix it?

Thank  you.

Catenary-r.ghx 

Comment by Akims H on December 30, 2013 at 5:04am

Has anybody can help me?

I install kangroo in right components folider
but still don't have this component

please help me!
thanks
akims

 

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