Chandigarh Rayaan Grewal, who studying in the 11th class used technology for a noble cause, he created a model for face shields and printed with the help of a 3D printer. So far he has distributed 200 face shields to corona warriors. Rayaan is learning coding since the 8th grade. ‘I want to contribute to society by using technology as a medium to help the frontline workers in these unprecedented times of COVID-19. I had previous knowledge in CAD (Computer-aided design),’ Grewal told ANI. By the end of December, he is hoping to create over 500 face shields.