6. Hold the film canister up to the light. Look through it to make sure that you have punched the holes all the way through. You should see light through each hole.
7. Take the paper pattern off the canister.
From Nick Greene, former About.com Guide
6. Hold the film canister up to the light. Look through it to make sure that you have punched the holes all the way through. You should see light through each hole.
7. Take the paper pattern off the canister.
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