As it is described in the Amber by Roger Zelazny, The Pattern is the Geometrical Manifestation of Order. The Pattern is located in the primary plane of Order. Walking the pattern gives the initiate access to its Amberite. The Pattern is a fixed labyrinth of curves. The Pattern is drawn using the Jewel of Judgement by a Jewel initiate and can be destroyed by blood of the creator or his/her descendants. Also, only these people can survive walking the pattern. The original Pattern is believed to have been drawn by Lord of Chaos. Another one has been drawn by Corwin somewhere in Amber, close to the Courts of Chaos using the sword Grayswandir.