One of the problems to study the fossil is the completeness of the remains. Since the discovery of Phu Kum Khao locality in 1995, the presence of the second species of sauropod has been mention. But its material was so scantly to be described. Fortunately a new discovery of partial sauropod skeleton from Phra Phong locality in Sra Kaew Province in 2015 shed a light to understand this taxon. However this specimen belong to a juvenile sauropod. That means the size of sauropod from Phu Kum Khao and Phra Phong are quite different. In order to reconstruct the skeleton of this dinosaur by using two different size animals, the 3d scan technique was appied. Sauropod remains were scan/ digitized to rebuild in 3D model. The small ones was resized and rearranged in the program...