1. https://www.ge.com/additive/additive-manufacturing
2. https://www.stratasys.com/fdm-technology
3. Design of Omni Directional Remotely Operated Vehicle (ROV)
4. https://peer.asee.org/3-d-printed-metal-and-plastic-propeller-design-and-manufacturing-for-small-scale-underwater-thrusters.pdf3-D Printed Metal and Plastic Propeller Design and Manufacturing for Small scale Underwater Thrusters
5. https://www.semanticscholar.org/paper/Design-and-Construction-of-an-ROV-for-Underwater-Aguirre-Castro-Inzunza-Gonz%C3%A1lez/d1e7641182caba375830fbc8a68507e78d063b45