I used a quite large 8 cm circle for the cookies in the photos, but a 5 cm cutter would work well too. (swoonfood.com)
Roll out the pastry on a lightly floured surface or between two sheets of non stick baking paper, until 3 mm thick, and cut eight 12 cm circles from it. (technicolorkitcheninenglish.blogspot.ru)
Cover a large baking sheet with baking parchment and use a pencil to draw a 20 cm circle in the middle. (bbcgoodfood.com)