I often find a few of these lying about at work. You can buy used ones on eBay if you're impatient, or even ask shooting ranges for their spent shells.
Aaaaanywy, I had a few lying around and thought that I could make lights out of them. They are all different colours and it would look quite nice illuminated.
I had a look on here and it turns out that I am not the first to have this idea, however all the other instructables seemed to stick the light in the top, or opening of the shell. I wanted to remove the primer cap and insert the light that way.
You will need:
Glue gun and glue. Or just ordinary glue. As long as it is sticky.
Shotgun shells. I went for a mix of different colours but you can do as you please.
Drill bit. I originally intended to drill out the primer caps but they just push out. I'll explain later on.
LED lights - I'm from the UK. I got the cheapest I could find from Argos - around £3.
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Step 1: Removing the Primer
I was using a bench drill so I could regulate how far the drill bit travels. I initially used a cordless drill but I found that once the primer cap was removed the drill slipped down onto the shell and the plastic was damaged.
As it turns out I didn't even need the drill on - just used the drill bit to punch out the primer cap.
You could use a hammer and a long nail if you wanted, it really does not take much force to remove the primer.
Step 2: Adding the Lights
The LED lights that I bought were roughly the same size as the hole left by the primer. It is just a case of arranging the shells in an order you're happy with and then securing them in place with the glue.
Wait to dry and hang up where you please.