Marking quilts is the most concerning of all the processes involved in making a quilt because it comes at the end of the process and can be the most 'dangerous'. I have had good success with chalk pencils and chalk based mechanical pencils. I also have used the washable Crayola markers. I know some who use Frixion pens-even some nationally known teachers-but I am scared of them because a residue is left even if you wash your quilt and no one knows what the future holds. For me, it is not worth the risk so I don't use them. Rather than the Golden threads paper I used a vellum like paper that I get at the office supply store that comes on a roll that is 12 inches wide It is economical. I have also used rolls of paper that I got at the medical supply store.