3D scan of a skeleton cast of the *Diplodocus carnegii*. These dinosaurs roamed North America 150 million years ago, during the Morrison formation in the Jurassic. This cast was gifted to Emperor Franz Joseph I in 1909 from the American tycoon Mr. Andrew Carnegie. The original skeleton of “Dippy” is mounted in the Carnegie Museum of Natural History in Pittsburg, PA, USA. The *Diplodocus* skeleton is the biggest exhibit at the NHM Vienna and Number 29 of the NHM Top 100. It can be found in Hall 10. **Specimen**: *Diplodocus carnegii* Hatcher, 1901 **Inventory number**: NHMW-GEO-1909/0004/0003 **Origin**: Sheep Creek, Wyoming, USA **Collection**: NHMW, Geology & Paleontology Dept., Vertebrate Coll. (curator: Ursula Göhlich) Find out more about the NHMW [here](http://www.nhm.at/en). Scanned by Robin Koger, Manuel Preslmayr, Rayyan Salem Ahmed, Viola Winkler & Anna Haider (NHM Wien) Edited by A. Haider and V. Winkler Scanner: Artec Leo. Infrastructure funded by the FFG. 3D model updated on 26.6.2024