Pratimoksha of the Dharmaguptakas 1.163

1.163

「若比丘！作尼師檀，當應量作。是中量者，長佛二磔手，廣一磔手半，更增廣長，各半磔手，若過裁竟，波逸提。

If a monk make himself a mat for sitting on, it ought to be of the proper dimensions, the following is the medium size: two of Buddha s spans in length, one and a half in breadth; it may be made half a span longer and wider, but not more; if it exceed this, it is pācittiya.