1, the height of cross-stitch should be above 75CM, and the length should be above 120CM. For example, the flowers are rich and beautiful, but the maximum length should not exceed 2m. 2. Measure 40 cm from under the roof and 60 cm from the back of the sofa, so you won't feel tired when you look up with your eyes. The distance between each picture is symmetrical and parallel to the line of sight.