Carmen Mini Cobalt Ceramic Spheres NecklaceDesigned by Pi Project The Pi Project workshop is located in the city of Bogot, where the team is mostly composed of women hand crafting unique pieces. Combining precise mathematics and digital designs with a vibrant, artisanal process, the brand's creations are a perfect blend of perfection and color. From minimalist and modern styles to bold and vibrant pieces, each item embodies a sense of balance and harmony that has made the brand iconic.