This is a hack that enables the use of *any* regular flashlight as a bike light. Made for CycleHack 2017 in Lisbon Barrier This Solves: Reuse regular flashlight's to improve bike safety. Step 1: measure the flashlight's diameter and your bike handlebar Step 2: edit the OpenScad file and generate the STL file Step 3: call a friend with a 3d printer or go to the nearest Makerspace/Fablab Step 4: with 4 zip ties firmly secure it to your bike! Step 5: Ride you bike safely. This is similar to https://www.thingiverse.com/thing:250899 I've clean the OpenScad code and now it supports various zip ties and dimensions. Use the OpenScad file for your hack. Happy CycleHacking!