3D PRINTING MATERIAL ENCODING

摘要

3D printing material blends (110) are disclosed configured to be used in a 3D printer. The 3D printing material blends comprise a 3D printing material portion and a magnetic nanoparticle portion (S1, S2, S3, S4). The magnetic nanoparticle portion is embedded in the 3D printing material portion in such a way that the 3D printing material blend is encoded with a uniquely identifiable predetermined code. Furthermore, 3D printing units and systems having sensors for identifying 3D printing material blends and methods of encoding 3D printing material blends are also disclosed.