algorithmic modeling for Rhino

karamba - parametric structural analysis

karamba is an interactive structural analysis program at the interface between architecture, design and engineering. It closes the gap between parametric design and statical assessment.


If you would like to test karamba download it from



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Comment by Adrian Krezlik on May 14, 2018 at 8:01am

We bought too many Karambas and we haven't opened, used and registered a license for the last couple of months. Anyone interested in buying one?



Comment by Can Tuncok on April 1, 2015 at 9:53am

Just say, "Go to Rhino folder in Program files and .gha file is there." I wasted a lot of time to find it. 

Solution for people who had problem about installation: Program Files/Rhino/Plugins/karamba.gha 

Copy it to Grasshopper Library!

Comment by Andrei on February 14, 2014 at 2:47am

Hello Clemens,

The solution was to copy the karamba.dll into the windows\system default folder.



Comment by Karamba3D on February 10, 2014 at 12:01am


did you move the Karamba files into the same folder where 'grasshopper.dll' resides?



Comment by Andrei on February 8, 2014 at 9:36am


I have Grasshopper 9.0064

Rhino 5 SR7 64x

When I try to install Karamba , I change the folder, but it always installs it into a different one (Program Files x86) and even if I move the files manually, I still get the karamba PINVOKE error.

Anybody any idea?

Thank you


Comment by mehtap altuğ on May 8, 2013 at 1:04pm

Hi I bought to student version of karamba 3d but while I was following the steps I have problems at the saving license as machine-id file it says feb.karamba pinvoke error and Iam using rhino4 and grasshoppper 0.9.0014 and I have installed the karamba trial version

Comment by djordje on February 17, 2013 at 5:00am

What version of Grasshopper do you have? Rhino4 or Rhino5?
What version of karamba are you trying to install?

Comment by Andrea Trajkovska on February 17, 2013 at 4:40am

Hi djordje,

thanks for the reply.

Yes, I have both Rh4 and 5 on my comp,

and before writing here I tried all of those options mentioned on

the thread you sent.

I tried everything possible I found.

I asked a friend to try and install karamba on his comp to see if

he gets the same issues as I did...

and he successfully installed it but it's the 32bit version,

where I have the 64bit one.

Is there a problem maybe with the 64 bit one?

I have no idea what to do next...

Comment by djordje on February 17, 2013 at 4:25am

Hi Andrea.
Do you have both Rhino 4 and Rhino 5 installed on your PC?
Check your Karamba version (32bit version of karamba version for 32bit Rhino application, the same goes for 64 bit version) and placement of karamba.dll file. Take a look at these explanations.

Comment by Andrea Trajkovska on February 17, 2013 at 12:33am

Hi I tried everything on this and other threads,

but I'm still getting the PINVOKE error no matter what I do.

I need this for a project really bad and I've already wasted 3 days trying to solve this issue.






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