In sacred geometry, the octahedron is a three-dimensional shape with eight equilateral triangle faces. It is often considered to be a symbol of balance and harmony, representing the perfect union of opposites.

The octahedron is said to have energetic properties that promote balance and alignment, both physically and spiritually. Its shape is thought to facilitate the flow of energy between the upper and lower chakras, as well as between the mind and the heart.

In addition, the octahedron is often associated with the element of air and the astrological sign of Gemini. It is also considered to be one of the five platonic solids, along with the tetrahedron, cube, dodecahedron, and icosahedron, which are all believed to have special geometric and energetic properties.

Overall, the octahedron is a powerful symbol in sacred geometry, representing balance, harmony, and the union of opposites. Its energetic properties are believed to promote physical and spiritual alignment, making it a valuable tool for meditation and spiritual practice.

In sacred geometry, the Tree of Life is a symbol that represents the interconnectedness of all living things and the fundamental patterns of creation. The Tree of Life is often depicted as a diagram with ten interconnected spheres, or "sephiroth," each representing a different aspect of creation and consciousness.

The ten spheres of the Tree of Life are arranged in a specific pattern, with three pillars representing different aspects of existence: the Pillar of Severity, the Pillar of Mercy, and the Middle Pillar, which represents balance and harmony.

At the top of the Tree of Life is the sphere of Kether, which represents the highest level of consciousness and the unity of all things. The spheres of Chokmah and Binah, located on the Pillar of Mercy and the Pillar of Severity respectively, represent the masculine and feminine aspects of creation.

The remaining seven spheres represent different aspects of human experience and consciousness, including love, beauty, wisdom, and understanding. Each sphere is associated with a specific Hebrew letter, color, and planetary influence.

The Tree of Life is also associated with the concept of the "Merkaba," a spiritual vehicle that can be used for meditation and healing. The Merkaba is said to be formed by the energy patterns of the Tree of Life, and can be visualized as a three-dimensional geometric shape.

Overall, the Tree of Life in sacred geometry represents the interconnectedness and harmony of all things in creation, and can be used as a tool for spiritual growth and understanding.

 Custom-made "Ankaa" Icosahedron with rose gold glass 

In sacred geometry, the icosahedron is a three-dimensional shape made up of 20 equilateral triangles. It is a platonic solid, which means it is a regular, convex polyhedron with identical faces and corners. The icosahedron is often associated with the element of water, as well as the emotion of joy.

In terms of its symbolism and meaning, the icosahedron represents creativity, inspiration, and transformation. It is believed to hold the energy of the universe and the interconnectedness of all things. Its shape is often used in meditation and healing practices to bring balance and harmony to the body, mind, and spirit.

The icosahedron is also associated with the sacral chakra, which is located in the lower abdomen and is connected to creativity, sexuality, and emotions. Meditating on the icosahedron is said to activate and balance the sacral chakra, helping to release emotional blockages and enhance creativity.

In addition, the icosahedron is often used in crystal healing and grid work, as it is believed to amplify the energy of other crystals and help to facilitate healing and transformation. It is also used in architecture and design, as its unique shape and mathematical properties make it a popular choice for creating aesthetically pleasing and structurally sound structures.

Asaf Zakay's signature piece, a custom-made Merkaba

The concept of a "merkaba" is often associated with spiritual or mystical beliefs and is not a scientific term. However, in some spiritual traditions, a merkaba is thought to be a sacred geometry symbol representing a three-dimensional star tetrahedron, which is said to have powerful energetic properties.

According to some spiritual teachings, the energy of a merkaba is said to be able to facilitate spiritual growth, protection, and healing. It is believed that the merkaba can help to activate and balance the energy centers (chakras) in the body and connect with higher spiritual dimensions.

The specific properties and effects of the energy of a merkaba are often described in terms of subjective experiences and are not scientifically proven. However, some people who work with merkaba energy report feeling a sense of increased spiritual awareness, inner peace, and overall wellbeing.