The 3D model NFT I would sculpt based on the attributes of writing beautiful random sentences would be an enchanting and whimsical masterpiece. The sculpture would consist of a flowing tree-like structure meticulously intertwined with vibrant 3D letters suspended in mid-air. Each letter would possess its own unique shape, color, and texture, harmoniously weaving together to form dazzling sentences that gracefully dance within the overall composition. The sculpture would exude an ethereal aura, with sparkling particles delicately floating around like tiny fireflies, illuminating the intricate details of the sentence formations. As observers navigate around the piece, the sentences would transform, taking on new arrangements, offering an ever-changing visual narrative, and captivating the imagination with the infinite possibilities of language. This 3D model NFT would be a mesmerizing celebration of the written word, an interactive artwork that inspires creativity and appreciation for the beauty of language.