Why do Orb Weaving Spiders Make Patterned Webs?

Walking through them or admiring at a distance, spider webs can be found nearly everywhere. So, why do orb weaving spiders make patterned webs

Why Spiders Decorate Their Webs

Spiders build webs in the dark by using their sense of touch

Marbled Orb Weaver, Vol. 9, No. 31 Mississippi State University Extension Service

Orb-weaving spiders use their webs like external eardrums

Webs and Leaps: Hunting adaptations of spiders, Science Sessions

The Evolution of Stickiness: Orb Weaver Spiders' Glue Gets a Genetic Twist

Orb weavers, Araneidae

tropical orb weaver spider - Eriophora ravilla (C.L. Koch)

Architects of Nature Series: Spiders Make Good Neighbors

Orb Weaver Spiders - Facts, Pictures & Habitat Information

Missing sector orb web spider