3D Printed HeadLamp (Long Lasting)

https://www.instructables.com/id/3D-Printed-HeadLamp-With-Constant-Current-Circuit-/

For more info on how to do it, please visit the above link.

Lights are one of the most essential items that any backpacker would consider in his checklist. Among all the light sources which a backpacker chooses, headlamps are the best. This is because, a typical headlamp has its own advantages and practical applications. One can always argue that it can easily be replaced by a handheld flashlight or torch. But our own safety is the number one priority that matters while living outdoors. During certain situations when our survival matters the most, our hands may not be free all the time to hold a flash light. So it is always better to be hands free.

Moreover, these headlamps can be strapped anywhere. Also, one can always keep the headlamps in their hands anytime if it makes them feel better. Hence it can be used for camping, hiking, biking and various other creative applications. Overall, Headl