Plaque, Celtic Triquetra It is used as a religious symbol by both Christians and polytheists. Christians use the triquetra to represent the Trinity of the Father, Son, and Holy Spirit: three distinct persons of one divine essence. The circle emphasizes the unity of the whole combination of the three elements. It is also said to symbolize God's love around the Holy Trinity. Pressed Wood Country of Origin: India Dimension: LxWxH 30x30x1.8cm Dimension in Inches: LxWxH 11.81"x11.81"x0.71"