Step 1: Ingredients
• thin plywood
• 1 straw
• paper adhesive tape
• wood glue
• transparent sandable epoxy resin for plastic
• punctured bicycle inner tube
• sandpapers with different grades
• and of course your favourite flash light
Step 2: Print flashlight head's profile
Step 3: Creating profile shapes
Step 5: Finish these 2 structures
Step 6: Cut all optical fibers to size
Put a tape on one ending to close, than you can start to put small amount of optical fibers into it, than cut to size. In this way you won't have to sand a lot.
Step 7: Bundle toghether the optical fibers (hardest part)
Start to put optical fibers in it.
Note: these fibers are very delicate to handle, specially at the end of this process. If you bend them to hard, than won't be straight anymore and you have to change them.