shape 

.shape is a 3D object data file structure which is specific to Ryzom. It includes vortex coordinates, UV map as well as references to the textures.

Converting to .shape

• An plug-in has been developed for 3DS max by Nevrax (NeL); see: Export from 3DSMax.
  • https://ryzomcore.atlassian.net/wiki/spaces/RC/pages/1409026/Downloads+for+Windows
• An application to convert .obj files to .shape has been developped by Kaetemi

https://khaganat.net/wikhan/fr:import_nel

References

• Tutorial for outsiders
• 3ds Max support#Install NeL Plugins for 3DS Max
• 3DS MAX is a product of AUTODESK ™