COVID KILLER 1.0 - 3D Printed Automatic Hand Sanitizer Add On

Hi my name is Arjun Melwani I am an 8th grader 14 years old at Greenhill School in Dallas Texas After 30 days 14 prototypes 106 hours of Design 5 allnighters in a row 12 KG of ABS Filament and my blood sweat and tears I bring you ...