The mythological figure known for being turned into a spider after weaving a tapestry is Arachne. In Greek mythology, she was a skilled mortal weaver who boasted that her skills surpassed those of the goddess Athena. As punishment for her hubris, Athena transformed Arachne into a spider, condemning her to weave for eternity. This myth explores themes of pride, artistic talent, and the consequences of challenging the gods.