The file 'NanoHack V2: COVID-19 Face Mask 3D Printer Model' is (stl) file type, size is 1.1MB.
Here is Copper3D's NanoHack Mask V2.
Link to Original Tutorial: https://youtu.be/2fidejLl8Ks
Filter_Cap_1.stl | 1.2MB | |
Filter_Spacer_1.stl | 388.0KB | |
Nanohack_Mask_V2.stl | 1.3MB |