Celtic mazes are straight-line spiral patterns that have been drawn all over the world since prehistoric times. The patterns originate in early Celtic developments in stone and metal-work, and later in medieval Insular art. Prehistoric spiral designs date back to Gavrinis (c. 3500 BCE). The straight-line spirals of Celtic labyrinths originated in chevrons and lozenges and are drawn by the Celts using a connect the dots method.