algorithmic modeling for Rhino



A collection of useful geometry tools.  The plug-in includes utilities for mathematical forms, paneling systems, structures, and workflow.

Members: 546
Latest Activity: on Friday

Discussion Forum

How does the XML parser work?

Hello everybody, I need further information on the XML parser functionality. I exported my data in XML, now how can I import them in another grasshopper file? I want to load all the exported data,…Continue

Tags: data, conversion, file, parser, xml

Started by Pietro Florio Nov 9.

LuchBox for Rhino V4

Hi to allwhich version I must install on Rhino V4  and GH  version (20120928)tnx in advancealContinue

Started by Alberto Senigagliesi Oct 13.

How to divide diagrid over multiple connected surfaces?

I have made different surfaces with different angles connected to eachother. Now I would like to put a diagrid pattern on these surfaces, where the diagrids have one size. When one diagrid is half on…Continue

Started by Henk_88 Jul 5.

Platonic Icosahedron Truncation

Does anyone know what the "Truncation" parameter in Platonic Polyhedra is?  Common usage of the term, for example, takes an icosahedron to a soccer ball by truncating the vertices.  But the Lunchbox…Continue

Started by Ted Fails Jun 9.

Comment Wall


You need to be a member of LunchBox to add comments!

Comment by bea franko on Thursday

when using the excel read (legacy), i get this error:

0. System.Runtime.InteropServices.COMException (0x800401E3): Vorgang nicht verfügbar. (Ausnahme von HRESULT: 0x800401E3 (MK_E_UNAVAILABLE))
   bei System.Runtime.InteropServices.Marshal.GetActiveObject(Guid& rclsid, IntPtr reserved, Object& ppunk)
   bei System.Runtime.InteropServices.Marshal.GetActiveObject(String progID)
   bei LunchBox.WF_ExcelRead.SolveInstance(IGH_DataAccess DA)

any ideas?

thank you!

Comment by Masood on November 9, 2015 at 1:52am

Hi, can anyone see my discussion(a bout Lunchbox) here

it is about random quad panels which go out of the base surface around corners?

ps: is this a right place to ask this or not?



Comment by Mo Harmon on July 9, 2015 at 12:54pm

The read/write excel components aren't working for me. They were working even yesterday, but today I get this error:

System.Runtime.InteropServices.COMException (0x800A03EC): Exception from HRESULT: 0x800A03EC
at Microsoft.VisualBasic.CompilerServices.LateBinding.LateGet(Object o, Type objType, String name, Object[] args, String[] paramnames, Boolean[] CopyBack)
at LunchBox.WF_ExcelRead.SolveInstance(IGH_DataAccess DA)

Any thoughts? Thanks!

Comment by spiral on March 31, 2015 at 11:03pm

all cells are equal length sides, the different lengths between points horizontally, do not know how to make a definition for such a mesh, please help  

Comment by Alessandro Guidetti on January 27, 2015 at 5:11am

hi guys,


I am searching a pdf guide for lunch box. Does anyone know where I can find it??


Thankssssss in advance!!!! 

Comment by Paresh on December 19, 2014 at 8:03am

how the flatness check tool works?? any one can guide please??

Comment by Valentin on October 23, 2014 at 3:19pm

Very good work Nathan!

Comment by martyn hogg on September 13, 2014 at 10:21am

Should Lunchbox work with GH 0.9.0076 ?

I ran the installer but no Lunchbox toolbar appears when I open GH.


Comment by Dino Eicher on April 7, 2014 at 8:37am

amazing tool! Thankx a lot for sharing it!

Comment by Dario on June 3, 2013 at 4:15am

Dear Nathan/ group,

do you have any idea how to resolve this error using the Excel Write component? 

thanks in advance



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