Act as a product designer with 10 years of experience in IoT and ambient lighting. Design a smart candle that combines [vintage aesthetics] with [modern technology], allowing users to customize ambiance through an app. The candle should feature [adjustable flame intensity], [scent diffusion control], and [color-changing base lighting] to match any mood or decor. Include detailed sketches of the product from multiple angles, showcasing its elegant design and seamless integration with smart home systems. Highlight key features like [voice control compatibility], [battery life optimization], and [eco-friendly materials]. Ensure the design appeals to both tech enthusiasts and interior design lovers, emphasizing its versatility and aesthetic appeal.