Thrunite Ti3 (or other 14mm diam. flashlight) diffusor with spare battery holder

thingiverse

Ever wanted to hang your flashlight from the tent ceiling or use it as a spill-light-bulb-style lightsource during repairs? Then you'll need a 360-degree diffusor like this one for your everyday carry flashlight. I love the diffusor on my bigger TN12 model, and I always missed having one for my smaller Ti3. So, I decided to design one similar to the larger design. Once I found myself in a dark spot with my battery dead because the flashlight turned itself on in my pocket. That's when I realized you can store a spare AAA battery in the diffusor and close it with a tight-fitting cap. "Fat" cells like Eneloop fit perfectly into the pill and won't budge. If you really need a lifesaver, consider storing a lithium cell inside - they last forever and are incredibly lightweight, though they can be expensive.