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Thrikkakara Appan – The Clay Pyramid Structure Used During Onam

A clay pyramid structure with four faces and a flat top used during Onam celebrations symbolizes Thrikkakara Appan or Thrikakkarappan. This unique structure represents Vamana, an incarnation of Lord Vishnu. For some people, the pyramid represents both King Maveli and Vishnu. It is also referred as Onathappan. Thrikkakara Appan is the presiding deity in the famous Thrikkakara temple in Ernakulam District of Kerala and is closely associated with the Onam myth.

It is believed that Vamana had sent Mahabali to Pattalam at Thrikkakara. The place where the holy feet (Trikkal) of Vishnu touched came to be known as Thrikkakara. This later became Thrikkakara.

According to Onam Story and popular belief, Lord Vishnu in his Vamana Avatar unjustly pushed King Mahabali into the netherworld or pathalam. But Lord Vishnu granted King Bali the boon to visit his subjects once in a year. It is also believed that King Bali got ‘Vishnu sayujyam’ or reached the Vaikuntha. Due to this both King Mahabali and Lord Vishnu in the Vamana avatar are welcomed during Onam. This makes Onam a unique festival in which the victor and the vanquished are both worshipped.

Thrikkakara Appan structure is made using clay or mud and generally, it has four faces with a flat top. In some places, the structure is in the shape of a cone. Nowadays ready-made Thrikakkarappan structures are available for sale during Onam festival.

While welcoming King Mahabali to the homes, people place Thrikkakara Appan on a bed made of rice flour and is decked with flowers and pujas are performed. It is also placed along with the Athapookalam – the special floral arrangement done during Onam.

Some people believe that the unique shape of Thrikkakara Appan – the four faces – represents the four stages in the life of a man.

Usually, people place three structures which represent the three steps of land asked by Vamana to King Mahabali.

Traditional Athapookalam – Symbolic meaning of Pookalam made during Onam