Reply To: How to cut two identical stones from rough › Forums › Beginner Questions › How to cut two identical stones from rough › Reply To: How to cut two identical stones from rough April 19, 2020 at 9:13 am #6467 PINO43Participant @PINO43 Thank you all for the advise. I am going to start cutting the rough first. If I am using two cops at the same time, how do I keep the stones correctly aligned with out changing the mast.