This is a standard bike torch/ light holder designed by me. The model is designed to fit the standard 24mm bike torch and installed on the bike handlebar using cable ties.
I printed mine using ABS and the flexibility of this model has been adjusted to fit the material. I expect it will be more brittle if you print it using PLA, however it is not wrong to try it 🙂
There is slot for putting rubber (the circle slot underneath) for more grip on your handle bar. I put mine without rubber and it still grips fine. CTTO: https://www.thingiverse.com/Aistaca