If you need to precisely cross drill a piece of pipe, a V block and a drill press are the answer. If you just want to roughly knock a hole through it, locating the holes by eye is fine. But if you want to cross drill with more accuracy than eyeballing it yet don’t want to fuss with a V block, then this tool might fill your needs. It uses a scrap tape measure.
If you are interested, please see
http://rick.sparber.org/CDTT.pdf
Your comments are welcome. All of us are smarter than any one of us.
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