The file 'Foot Door Opener / Doorknob 3D Printer Model' is (stl) file type, size is 11.6KB.
If someone afraid to touch doorknob when you open door nowadays, use your foot !
This is not perfect design but it is working for me a few month.
Please feel free to modify and make it better for your facility.
Door_opener_double.stl | 32.3KB | |
Door_opener_single.stl | 28.2KB |