The French National 3D Data Repository (CND3D) is a repository dedicated to the scientific publication and curation of 3D models together with the related data. Deployed in 2017 by the consortium “3D for Humanities” of the research infrastructure Huma-Num, it is currently tested on a large scale by the community of humanities and social sciences. There are currently more than 1100 deposits, 570 viewable 3D models, 7 collections and more than 180 documented sites and over twenty social sciences labs depositing. This secure repository relies on Huma-Num infrastructures, and it is pushing the integration of FAIR principles. Findable The National 3D data repository stores 3D models along with all the accompanying resources used in their creation (text, images, publications, etc.). A dedicated metadata scheme is continually augmented to accommodate the different data and scientific domains. With the right amount of metadata, a DOI is generated. The CND3D relies on standardized and multilingual vocabulary, such as PeriodO, Geoname and PACTOLS thesaurus that covers archaeology and the sciences of antiquity from prehistory to the present day. Accessible The metadata is always accessible. Research with a REST API is also available and can be saved as a url link. However, access to the actual data stored in the repository is subject to the depositor's decision and may be restricted. Interoperable To enhance its interoperability, the repository is actively working on compatibility with other European initiatives. With the French MASA consortium, we made the metadata scheme compatible with the CIDOC CRM, enabling connection with the European research portal ARIADNEplus. The repository's metadata also complies with Dublin-Core standards. It integrates an OAI-PMH harvester used by the French search engine Isidore dedicated to humanities and social sciences. This will also allow data to be harvested by TRIPLE from the European OPERAS project. Reusable The 3D data repository promotes the use of PLY and DAE formats for 3D models, which have been standardized by the consortium for archiving at CINES. We are also exploring other formats for various data such as scanned point clouds, tomography, and modeled 3D scenes. However, for the sake of simplicity and for promoting publication of scientific data, the repository accepts any type of data, regardless of format. As for licensing, the repository favors the use of ETALAB license (equivalent to Creative Commons CC-BY license) or CC-BY-NC. Deposit According to the depositor, the access to the stored data can be done either by a direct download directly, or indirectly by contacteur the right owner. Thanks to the integrated 3D viewers, visualization and interactions (cuts, lighting, measures, …) with a dedicated version of the 3D model may be chosen. Filling metadata can be done on-line. However, to facilitate deposits, an open source software has also been developed. This software, named aLTAG3D, allows a semi-automated deposit through a simple user interface and offers a solution for managing 3D data with their metadata and specific formats for use in the humanities and social sciences community.