I want to burn a fairly small hole through several (?many) layers of paper. 'Burn' can be chemical or flame. Have experimented with matches / lighter but can't control size or depth of hole. Suggestions?
A soldering iron is probably your best bet; if you're careful, and do it in a stop-start way, you should be able to singe the hole through without any flames, which will make it more controllable.
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