algorithmic modeling for Rhino

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Giulio Piacentino's Discussions

obtain component from parameter
2 Replies

Started this discussion. Last reply by Giulio Piacentino Nov 6, 2013.

0.9 double loading warnings
5 Replies

Started this discussion. Last reply by Danny Boyes Aug 15, 2012.

Times of change
52 Replies

Started this discussion. Last reply by djordje Aug 3, 2012.

GhPython component 0.5 released
1 Reply

Started this discussion. Last reply by Anders Holden Deleuran Jun 19, 2012.

Used WeaverBird on a project?
22 Replies

Started this discussion. Last reply by Giulio Piacentino May 17, 2013.


Giulio Piacentino's Page

Latest Activity

Giulio Piacentino replied to Ben Doherty's discussion Distance performance
"Hi Ben, (this is in addition to what David wrote) If you are running the brute-force approach with all-distances-with-all-distances, for a sufficiently large amount of points, methods that will be able to reduce the complexity of the operation will…"
Giulio Piacentino replied to tristan.gobin's discussion Python module search path
"As Anders says, but please do not run like this in Grasshopper or same paths will add up. Always check that the path is not already there, like so: import sys new_path = "C:\\YourModuleFolder" if new_path not in sys.path:…"
Giulio Piacentino replied to Saeran Vasanthakumar's discussion Ghpython breps fail to solid union
"Hi Saeran, hi guys, I am aware of some cases where the only way to actually Boolean (union/difference/intersection) some solids is to bake. These cases are directly dependent on some inner splitting logic in Rhino, and do not depend on the SDK.…"
Giulio Piacentino replied to Tim's discussion Adding Removing Parameters
"Hi Tim may I ask if you really need to take this road? It is a road of horror, to be honest. It's also highly likely that it will take quite a bit of work to maintain it. Giulio--Giulio Piacentinofor Robert McNeel &…"
Jul 11
Giulio Piacentino replied to Roger Sterling's discussion ghPython Boolean Inputs
"Hi Roger, there is not one specific "command" (operator) for that as far as I am aware. But, given that inputs will all be booleans, and if you do not use very strange input names, this single statement will work (and follow Grasshopper…"
Jul 10
Giulio Piacentino replied to Nezumi's discussion [Python] Attractor point recursive subdivision[PROBLEM_Error]
"Hi Zumii I am not exactly sure what this script should do. A recursive function, generally, does not need a for loop inside. You should try to think of a way to remove that for loop. Also, have a counter of generations, and each time you call…"
Jul 9
Giulio Piacentino replied to Nathaniel Musial's discussion problem importing ghpythonlib
"Hi Nathaniel first, try to find the guilty assembly while loading. It is a third-party assembly, and possibly one that you created yourself with an older wizard. It might just be the one showing in the background, in the green splash screen,…"
Jul 9
Giulio Piacentino replied to conor chen's discussion I can not set up weaverbird in the group Weaverbird - Topological Mesh Editor
"If the problem is the third one ("Rhinoceros is open on your system"), then you have to close Rhino. To make sure that no Rhinos are open, just restart Windows. If you encounter other issues, please post a screenshot. I'll try to help…"
Jul 8

Giulio Piacentino's Blog

Grasshopper tools in C# - scripting

Grasshopper Tools in C#
Grasshopper tools in C# is a repository of scripts for

most of the recent versions of Grasshopper.

With all its standard components, Grasshopper features an impressive amount of highly interlinked functionality: from… Continue

Posted on March 17, 2010 at 11:00am

Weaverbird - mesh topologies in Grasshopper

Topologies in Grasshopper

Weaverbird is a plug-in for topological transformations in Rhino 4.0 and Grasshopper 0.8. It helps smoothing, modifying and preparing meshes for rapid manufacturing technologies from within Grasshopper.

Contains these…


Posted on March 17, 2010 at 10:30am — 19 Comments

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Comment Wall (19 comments)

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At 11:17am on January 17, 2014, Laurent Delrieu said…

Thanks for the explanation on the rabbit. It seems that I will seek some mesh on standford website.

At 4:49pm on June 21, 2013, said…


just started learning grasshopper.

give me some info on nice video tutorials. 

i bought "Parametric Architecture with Grasshopper - Primer guide", currently shipping from Rome.

Italian architects good at Parametric Design?!?

At 12:21am on January 6, 2013, maxleach said…

Hi, I download the new version and it works. The component is producing the list the surface separately. Then I apply them to my roof design. Thank you!

At 8:55am on September 25, 2012, stefano vafiadis said…

Giulio grazie mille dell'amicizia, appena mi viene in mente qualche suggerimento te lo posto anche se devo confessarti che il tuo plug-in ne ha bisogno di pochi, complimenti!

Un saluto,


At 4:51am on January 23, 2012, Roig said…

Thanks Giulio,

I thought it was developed with WB's catmull-clark subd. but for me that result is uncontrollable, but I like the result anyway¡¡

Thank you again, you rule¡¡

At 12:26pm on January 22, 2012, Roig said…

Hi giulio, great fan of yours¡

If you don't mind, i've got a question:

How do you control the mesh in your model (in your own web, see below) so it is arranged where it's possible? I mean, It is a regular mesh('ordenada' in spanish) in the main building and become irregular in the union...

Maybe this place is not the right place to ask you directly, please forgive me if not...

this is what I get:

thank's so much

At 9:06am on September 17, 2011, Matas Ubarevicius said…
Hey man, without your rendering block there would be no tutorial, so thank you. Take care.
At 2:15pm on April 13, 2011, John Dolci said…
No problem Giulio.  I'm always happy to plug's been a great tool.
At 1:57am on January 13, 2011, Dedackelzucht said…
a privilege to get invited by you :-)
At 4:52am on September 26, 2010, Till Mainz said…
Hey Giulio, was nice to see you in Vienna. Are you coming to the Euromold this year? I will be around. Till
At 3:54pm on July 21, 2010, John Gulliford said…
Hey Giulio, big fan....

Was wondering if you have an updated version of baking numbers as curves for the 0.7---- series?
At 11:00am on May 6, 2010, Zach Hines said…
Giulio, sorry I asked to early... It dawned on me that I could just link it with another one of your naming components... Thanks!
At 10:46am on May 6, 2010, Zach Hines said…
Hi, Guilo, wanted to say thanks for the great components!

Also, I had a question about your Bake Attributes component. I want it to bake my object name in this format: obj(123) and it currently looks like this: obj123

Is there a way to add the () before and after the number?


At 3:32am on December 16, 2009, Amir Aafzali (aa) said…
ciao giulio!
volevo sapere se conosci qualche TUTS in Italiano.

At 10:47am on December 15, 2009, Max D said…
u coming to B in J? ;D Max
At 4:31pm on November 13, 2009, Carlos Pérez said…
At 8:16am on October 10, 2009, Marco D'Arcangelo said…
Grazie Giulio, cerchero' di seguire attentamente gli sviluppi di GH, e' stato un piacere incontrarti, buona fortuna e a presto ; )
At 9:47am on October 1, 2009, Elena said…
Ciao, Giulio, eccomi! ;)
At 7:31am on August 8, 2009, Andrea Graziano said…
Ciao Giulio, sto seguendo con molto interesse le tue ultime ricerche e sperimentazioni con GH. Spero a breve di poterci incontrare e parlare.


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