I have updated the installers above with:

2026.3.0.212
- Compiled with Octane 2026.3
- Added Upsampler Type and Upsampler Source Percentage to the Imager settings
- Removed the AI Light pin from the Kernal settings as per Octane Standalone 2026
- Fixed an Octane error when doing on-the-fly ...

I have updated the installers at the top of this thread with:

2026.3.0.39
- Compiled with Octane 2026.3

Thanks

Paul

Hi !
Do "Fake shadow" for specular material is ok ?
In 3dsmax I get the desired colored shadow ( with colored glass ) but not in Archicad.
Cheers.
I vaguely recall that ArchiCAD produces double side geometry for colored glass, which may interfere with Fake Shadows. If this is infact the case ...

I have updated the installers at the top of this thread with:

2026.3.0.126
- Compiled with Octane 2026.3
- Fixed issue where the plugin was causing an warning dialog to pop up when AC29 was started
- Please note the SOLUTIONS TO COMMON ISSUES above - point 3 and 4 which are applicable to this ...

OctaneRender for ArchiCAD plugin versions versions prior to 2026.3.0.126 installed the Octane support files in C:\Program Files\GRAPHISOFT\Archicad [version number] folder. ArchiCAD now pops the following warning if it detects third party files in this folder.

warning.png


The plugin installer ...

For instructions as to how to do this ArchiCAD versions prior to AC29, please refer to https://docs.otoy.com/ArchiCADH/ArchiCADPluginManual.htm#ArchiCAD/ExtractingTheArchiCADLibrary.htm

The ArchiCAD 29 Process

1) File->Library and Objects->doubleclick Surface Catalog.libpack->select Surface ...

Sorry for the problems you are having.

There are potentially 2 issues you are hitting: 1) you have special characters in your foldername, which could be causing the issue and 2) the foldername is very long, and is very close to the maximum number of characters the ArchiCAD SDK and the Windows SDK ...

and rename ( french ) folders to match yours. No need to rename anything if you are extracted the library as I think this will break the links.

Perhaps a better location to export the Surface Catalog to is C:\AC29SurfaceCatalog (which is a more portable solution if you are copying the ArchiCAD ...

Does the C:\Users\Utilisateur\Graphisoft\Enregistrement automatique-Archicad-29\Emb_3555082108\content\AC29SurfaceCatalog\Catalogue de surfaces\Catalogue de surfaces\[TImg] Textures\Béton folder exist please?

Octane can't find textures from Archicad 29. Could you tell me ( again ) what I have to do to make it work ?

The solution that worked for me was...

1) File->Library and Objects->doubleclick Surface Catalog.libpack->select Surface Catalog->Surface Catalog->Extract->Documents/AC29SurfaceCatalog
2 ...