i'm a mechanical engineer, currently self employed and starting business under 'HAMDEF' brand name, in short my business is offering prototyping services, which in detail services we provide 3D design/modelling for constructing object customers imagination into digital form, then we provide 3D printing services to make the digital 3D model become reality (physical form) with 3D printing services, another services my business provide is casting resin together with silicone moldmaking. resin casting can be combined with 3D printing for small scale production of 3D printed prototypes, or to duplicate any other items, parts, or object for re-production purposes, this is suitable for rare items that no longer manufactured or limited production.