George,
I didn't mean a dremel type (ie. rotory). I was refering to the type of pencil engraver that vibrates, rather than spins. It is easier to control than a dremel type and puts sharp various length lines in a fairly controled manner. It would doubtless look different since it handles differently than a vibrating engraver. I don't own a stippling tool to compare it to. I do however have a few punches to grind down. What is the best shape to grind it to?
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"But now, he that hath a purse, let him take it, and likewise his scrip; and he that hath no sword, let him sell his garment, and buy one." -Jesus Christ (Luke 22:36, see John 3:15-18)