Reply To: Dop for 6x4mm pear shape stone? › Forums › Beginner Questions › Dop for 6x4mm pear shape stone? › Reply To: Dop for 6x4mm pear shape stone? April 12, 2016 at 1:28 pm #2529 Alan BalmerKeymaster @alanbalmer Thank you. I see the problem with dopping. An oversized cone would probably still work, but wouldn’t be ideal. An interesting design by Robert Strickland.