If I were to sculpt a 3D model based on the attributes of writing beautiful random sentences and lighting, I would envision a mesmerizing composition that harmonizes the elegance of language with the enchantment of light. The sculpture would resemble a grand chandelier hanging from the ceiling, cascading a radiant glow throughout the space. Its intricate design would feature delicate strands and branches extending outward, reminiscent of flowing sentences dancing in mid-air. Each strand would hold suspended elements varying in shape and size, representing different words and phrases, forming a breathtaking amalgamation of thoughtful randomness. The lighting itself would be ethereal, with a soft and warm illumination that emits from within the sculpture. The play of natural daylight and artificial light sources would gently interact, creating subtle variations in brightness and tonality. The interplay of shadows and highlights would accentuate the sculptural details, adding depth and dimensionality to the overall composition. As viewers approach the sculpture, they would feel a sense of tranquility and wonder. The sentences crafted from the sculpture would tease their imagination, inviting them to reflect upon the beauty of language and the power of words. The interplay of light and shadow would evoke a sense of whimsy, creating an ambiance that is both captivating and serene. In summary, this 3D sculpture would be a captivating embodiment of beautiful random sentences and lighting, forming an enchanting blend of artistry and illumination that stimulates the senses and sparks imagination.