algorithmic modeling for Rhino

Daniel Piker
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Daniel Piker's Discussions

xml comments in referenced dll - intellisense in scripting components
1 Reply

Started this discussion. Last reply by David Rutten Jul 31, 2013.

'Offset on Srf' strange behaviour
1 Reply

Started this discussion. Last reply by Lucas Epp Jan 13.

Random numbers aren't...
1 Reply

Started this discussion. Last reply by Robert Vier Dec 27, 2012.


Daniel Piker's Page

Latest Activity

Mathias Gmachl replied to Daniel Piker's discussion KangaMark - PC performance Kangaroo benchmarking in the group Kangaroo
"It looks like the KangaMark follows typical Single Thread Performance tests like the PassMark fairly closely. The first 10 current KangaMark results as scored by PassMark are below. A few…"
22 minutes ago
Daniel Piker replied to Daniel Piker's discussion KangaMark - PC performance Kangaroo benchmarking in the group Kangaroo
"Finally back at home and got around to testing this on my desktop: KangaMark Score:  180PC model: CustomOperating system:  Windows 8.1 Processor model and speed:  Intel Core i7-4790K @4.7GHzAmount and speed of RAM:  32 GB…"
1 hour ago
Daniel Piker replied to Ethan Gross's discussion Multiple breps with Meshmachine
"Hi Nik, Thanks for sharing all these interesting investigations. I realize the multiple versions and user interface of MeshMachine are rather a confusing mess at the moment - I'll try and shed some light on why this is, and some ideas I have…"
2 hours ago
XU GUANG commented on Daniel Piker's page Example files in the group Kangaroo
"Hi guys, I am really new to kangaroo and grasshopper. I have checked the, and what I am doing is to apply another type of mesh and try to have a different result. But there exist some problems I cant figure out. As follow is my…"
Daniel Piker replied to Lawrence Yun's discussion Plankton Component Missing
"Hi Lawrence, CreatePlankton is no longer needed, as you can now simply connect a GH mesh to a plankton mesh parameter and it will be converted. The demo files need updating. The old and new versions of Kangaroo cannot share actual force/goal…"
Daniel Piker liked Joaquim Filipe Reis's photo
David Stasiuk commented on Daniel Piker's blog post Introducing 'Exoskeleton' - A wireframe thickening tool
"Hi Lina- There is actually an updated version of exoskeleton that allows for a little more control of a few parameters: Also, you will find some example files there…"
Jul 24
LINA commented on Daniel Piker's blog post Introducing 'Exoskeleton' - A wireframe thickening tool
"Dear Daniel and David, I would like a sphere like the first image that you posted. Is it possible to send me some key words to help me. thank you in advance"
Jul 24
spiral commented on Daniel Piker's blog post Kangaroo wins at 1st ALGODeQ competition
"brilliant work deserves great recognition, thank you that you have"
Jul 22
Nik Willmore commented on Daniel Piker's blog post Dynamic remeshing - now with feature preservation, curvature adaptivity, and minimal surfaces
"I outline MeshMachine as a tool for normal Rhino users here, based on either somewhat unreliable Boolean unions of manually placed solids and capped extrusions, or lately more robust metaballs/lines/surfaces using marching cubes to avoid the…"
Jul 20
Nik Willmore commented on Daniel Piker's video
Jul 19
Nik Willmore commented on Daniel Piker's video

Kangaroo2 - Planar quad mesh editing

"On the Grab component: "The specified module cannot be found." "
Jul 19
Nik Willmore commented on Daniel Piker's blog post Aether – simple speedy spatial fields for Grasshopper
"I've played with this system again, here, still wondering how to rid bulges in Aether like I have finally achieved with traditional marching…"
Jul 17
nikos tzar replied to Daniel Piker's discussion KangaMark - PC performance Kangaroo benchmarking in the group Kangaroo
"KangaMark Score:  163PC model: CustomOperating system:  Windows 7 Ultimate x 64Processor model and speed:  Intel Core i7 4790K @ 4.00GHzAmount and speed of RAM:  16 GB DDR3 @ 2400Mhz"
Jul 17
Daniel Piker replied to Shridhar Mamidalaa's discussion Differential Growth in Curves
"Hi Xavier, As Nik points out, this sphere-collide component is currently specific to sets of equal radius spheres (as this allows some easy simplification of the collision detection). I do have something working now for accelerated collisions…"
Jul 16
Ivan Kiryakov replied to Daniel Piker's discussion KangaMark - PC performance Kangaroo benchmarking in the group Kangaroo
"KangaMark Score:  107PC model: DELL PRECISION T1600Operating system:  Windows 7 Professional x 64Processor model and speed:  Intel Xeon E3 1245 @ 3.30GHzAmount and speed of RAM:  8 GB DDR3 -1333Mhz"
Jul 16

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Daniel Piker's Blog

Kangaroo 2.0 - Now out of the pouch and available for testing!

A few days ago I uploaded the first public work-in-progress version of the new Kangaroo (

I'm really excited to share this new release - which makes Kangaroo significantly more powerful and flexible.…


Posted on March 22, 2015 at 12:30pm — 11 Comments

Aether – simple speedy spatial fields for Grasshopper

Spatially varying fields, which associate a value (such as a number or a vector) to every point in space, have a wide…


Posted on December 16, 2014 at 8:01am — 34 Comments

Kangaroo wins at 1st ALGODeQ competition

ALGODeQ is an international competition for algorithmic design programs, held for the first time this year.

There were 190 entries from 43 countries, judged by a large panel of professors and practitioners from around the world, in a multi-stage process.

The original intent of the organisers had been to award a single Grand-Prix, with an award of 1 million Yen, but during the judging process it was decided to award multiple highest prizes in 3 separate categories.

It is a… Continue

Posted on November 4, 2014 at 1:18am — 46 Comments

MeshMachine update

A minor update to the remeshing component (read about the earlier release here)

This adds the option to also scale the triangle size by distance from the boundaries:…


Posted on June 9, 2014 at 4:30pm — 26 Comments

New collection of Kangaroo example files

I've updated the examples page for Kangaroo with a zip of over 80 definitions, organized by category, many with explanatory annotations, and covering several popular topics:

Hopefully this saves people some searching around, and makes learning to use it a little easier.

Posted on April 29, 2014 at 5:19pm — 5 Comments

Comment Wall (34 comments)

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At 12:57am on February 12, 2015, Levin said…

Hi, Danil. I saw a video on vimeo that's named "Grabbing interaction & adding elements". I'm curious what's the Screen capture software?

At 9:18am on December 30, 2014, rhinograsshopper2014 said…

Saludos de ecuador porfavor brindame ayuda deseo desarrollar window 500lux ayudame con informacion explicacion desarrollo cualquier ayuda es bienvenida gracias


Greetings from Ecuador brindame please help develop desire window 500lux help me with information explanation developing any help is welcome thanks

At 8:52am on December 13, 2014, Yadid Hadad said…

Hi Daniel, it seems to be like there is no working download lonk for you gH plugin Jellyfish.... Can u share it with me please?


At 8:04pm on May 20, 2014, reaction~~ said…

Hi Daniel~~

if you don't mind asking, how to install plankton~ i have same problem with kris leese.



At 3:36am on May 7, 2014, Elisabeth Puscher said…

hi daniel,

I have saved the file with internalized mesh, I hope you can open it now.

yes, i think these crossing-over problems on the pictures might be related on the scale factor of the edges.

however, if i coose a smaller scaling factor, i don't have this problems, but then the max deviation from the offset is very big.

Is there another way to get a better result for the offset?

thank you,


At 2:05am on May 5, 2014, Elisabeth Puscher said…

Hi daniel,

i have some questions about the reciprocal component and the optimization for tangency with kangaroo.

I found your example definition, but it doesn't work with my gemometry.

I want to create a reciprocal structure with an offset of 10cm (=rod diameter)

Can you explain, how the scale factor for the reciprocal component influences the quality of the result for the offset?

If i choose a small scale factor (e.g. 1.20), the max. deviation from the offset is veriy big. (9,8 cm)

If i choose a larger scale facotr (e.g. 2.00), the max. deviation from the offset is much smaller and better. (0,04 cm)

But then some points occure which are geometrically not possible. (see figure below)

Do you have any suggestions how to avoid this and to get better results?

Maybe you can have a look at my GH definition:

Thank you!!


At 9:58am on May 3, 2014, bianca cattozzo said…

Hi Daniel,

I`ve started to use grasshoper one week ago and I want to ask you about your reciprocal force`s diagram. How did you do it?

At 2:25am on May 22, 2013, peter said…

hi Daniel,

Hi have a propblem loading kangaroo - see error message below.

I did check that I have those to files in the library folder and both are unlocked.

Any ideas what it could be ?

many thanks,


Object: KangarooA (level 1)
Exception has been thrown by the target of an invocation.

Object: KangarooA (level 2)
Could not load file or assembly 'KangarooLib, Version=, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.

At 5:07am on May 14, 2013, Anton Laterra said…

Dear Daniel,


Here is a video on vimeo that you uploaded 2 years ago:


Could you please explain in a few words which forces and how distributed create such a tension between points.

I guesed there are 2 anchor pts on each side. And should be some sort of repulsion going on...

Couldn't make it

thank you

At 10:58am on October 10, 2012, Systemiq said…

Hi Daniel,

your Mand3d with complex number raised to power of 4 instead of 2, perhaps it looks like something too.



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