Low-budget Laser Cartridge Target

If you’re a coffee drinker, or know someone who is, the 30.6 ounce Maxwell Coffee cans with the opaque lids make good laser cartridge targets. The beam goes through the lid and then reflects off of the bare metal surface on the inside, lighting it up. The outside diameter of the lid is approximately 6”, the inner circle (the area that the beam passes through) has a diameter of approximately 5”.