In this Instructable, “KrazyKred” show you how to quickly make a spare emergency key from an old credit card (or Tic Tac box). The process couldn’t be easier.
Step 1: Soot the Key with a Lighter
Wave a lighter beneath the key to deposit a layer of carbon soot onto one side of the key you wish to copy.
Step 2: Transfer the Image to Tape
Burnish down a piece of wide tape to the sooty side of the key to transfer an impression of the key.
Step 3: Transfer the Image to the New Key Material
Carefully burnish the tape image onto the material you’re going to make your key out of. KrazyKred uses an old credit card and a Tic Tac box. You can also use the flat area of a metal can lid. Remove the tape and your impression should be transferred.
Step 4: Cut Out Your New Key
Now, carefully cut out the key shape with a sharp pair of scissors. Be sure to cut the business edge of the key (known as “the cuts”) exactly as the original.
Step 5: Compare for Accuracy
Place your new key against the original and test to make sure that your new key’s cuts match the original exactly. Make any adjustments in the cuts with your scissors.
That’s it! You’re done. Test out your new key. You need to be careful as the key is rather fragile and you don’t want it to break off inside of your lock. Making one of these for your car, house, etc. and storing it in your wallet or purse might be a good idea. Years ago when I bought a Toyota Matrix, it came with a punch-out credit card wallet key. This is basically a homemade version of the same thing.
Visit KrazyKred’s Instructable page for this project for more info, more photos, and community member comments.
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