Instructables

Step 4: Drill And Cut An Opening

Picture of Drill And Cut An Opening
13, 12:31 AM.jpg
13, 12:31 AM.jpg
Use a drill to place a hole at each corner. Next use a large kitchen knife in one of the holes to drive down and cut the tin. Use the knife in this way twice to carve out a wedge to allow shears in to finish the job. Use tin snips or heavy scissors to finish the job. A note of caution!!! Cut tin is razor sharp, use care and protective gloves as needed to prevent a nasty cut!!
 
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