algorithmic modeling for Rhino

[uto] tools Plug-ins


[uto] tools Plug-ins

- Geco

- MeshEdit

- FlowLines


Location: Innsbruck/Austria
Members: 1134
Latest Activity: Mar 31

download-link to [uto] tools:

for grasshooper:

Geco is a set of components which establish a live link between Rhino/Grasshopper and Autodesk Ecotect to export,evaluate and import...
MeshEdit is a set of components which extend Grasshopper's ability to manipulate meshes

FlowLines is a set of components to create 2D or 3D-Streamlines and 2D-Euqipotentiallines


for rhino:

MeshPaint is a free Rhino plugin allowing intuitive painting, as is performed with pixel images, but on multi-resolution mesh geometries. Painting can be done based on vertices or faces within a single mesh. Colorwheel, Eyedropper and Eraser functions are included in the plug-in.


before you can download you have to login to our google group to access the download-area

please support us

link to google group

link to utotoolswiki

link to ExampleFiles Geco

link to ExampleFiles flowL


Brian Ringley of NYCCTfab added geco and meshedit on the website


Creative Commons License
geco by [uto] is licensed under a Creative Commons Attribution-NoDerivatives 4.0 International License.

Discussion Forum

example files flowL 3 Replies

Started by to]. Last reply by to] Aug 19, 2011.

FlowL - User Problems

Started by to]. Last reply by Charles Aweida Sep 23, 2011.

MeshEdit - UserProblems 29 Replies

Started by to]. Last reply by Tim Devine Feb 6, 2017.

Geco - UserProblems 297 Replies

Started by to]. Last reply by Chiara Apr 10, 2016.

Latest News

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Comment Wall


You need to be a member of [uto] tools Plug-ins to add comments!

Comment by to] on October 25, 2013 at 10:56am

dear geco users,

if you encounter problems(gecolink problem) with the last release(without installer) please make sure that the assemblies are not blocked. To check this just right click on the geco.gha and gecolink.dll. If they are blocked you can see this on the right bottom corner with the button called unblock.

Comment by kytap on October 16, 2013 at 1:02pm

I just tell them that geco exists and what you can do with it and i wil give them the site. thanks for the link. 

Comment by to] on October 16, 2013 at 12:09pm

Hi kypta,

for beginners we recommend the geco webinar which we did some time ago.

Comment by to] on October 15, 2013 at 1:24pm

new geco 1.0.41 for Grasshopper Rhino5 only GH 09.0014+ | licensed under a Creative Commons. this version expires on 1st March 2014.Please support us, every donation will help us to continue working.


  • new timout 20 min.
  • updated ecoweatherfile component (thanks for the report eduardo mayoral)
Comment by Victor Sardenberg on July 5, 2013 at 1:14pm

Hello u-to

i´ll teach gh+geco in the next week AA workshop in Sao Paulo. Some students are having problems with the installation of geco with latest rhino and GH version. If you try to open the installer, you receive a message "The installed version of Grasshopper is not high enough please update at least to Grasshopper 'Rhino5only' 09.0014 to support this installer". could you help me?

Comment by djordje on June 21, 2013 at 4:52am

Try downloading the meshEdit from here.

Comment by Ryan Wu on June 21, 2013 at 3:51am

Anybody can tell me where i can download Mesh Analysis and Utility Component !? I cna't download from here
but i don't know why!?Thank you!!

Comment by to] on June 2, 2013 at 3:43am

new GECO v1.0.39 compatibility release and bug fixes for GH09.0050 and above. visit:

Comment by Gabriele Stancato on April 30, 2013 at 3:48am

Hi, I get this warning:maybe there is no ecotect 2011 installed.

I've unistalled any older version of geco, deleted any file and folder with geco, cleaned cache and registry, installed again geco but I still get the message : maybe there is no ecotect 2011 installed.

(rhino 5 - GH 0.9.0014 for rhino 5 - geco 1.037 - ecotect 2011 - windows 7 64 bit).

Comment by Michal Dengusiak on April 26, 2013 at 2:21am


I am looking for some simple example how to do Solar Rays. In Ecotect we need to select solar reflector. In EcoSunRays component we import sunpath data, time, date and scale... how we specify reflecting and transparent material?


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