The file 'Parametric Cigarette Ring For Gamers And Other Smokers, Fully Customizable 3D Printer Model' is (stl,f3d) file type, size is 1.2MB.
Inspired by https://aliexpress.ru/item/1005003375173630.html
You can adjust ring diameter according to your own fingers, default in a model is 22mm (fits well on my index and thumb), and other parameters.
Cigarette_ring_D20.stl | 765.5KB | |
Cigarette_ring_D21.stl | 762.2KB | |
Cigarette_ring_D22.stl | 745.6KB | |
Cigarette_ring_D23.stl | 745.7KB | |
Cigarette_ring_D24.stl | 696.6KB | |
mouthpiece_ring_v10.f3d | 108.2KB |