Sivava doll, This is a digital file for 3d printing. Not the physical item itself. We have tried to print and make a prototype to check that the file we use to mold works. Bjd doll is ready for print. All files are in .stl format. Most slicers accept this but in case yours cant there are free online tools to convert. The files you have downloaded It is about 8 cm in actual size(ear not included). The first time we sell 3d files but we made the Ball joints dolls for a long time under the Hw Studio. Thank you Hw Studio