coffee cup 3d model

Create a watertight, manifold STL-ready 3D model of a miniature takeaway coffee cup keychain inspired by the aesthetic of a well-known premium coffee shop cup, but without using any copyrighted logos, trademarks, brand names, or protected design elements. The model should be a cute, slightly cartoonish miniature coffee cup with realistic proportions and details suitable for everyday use as a keychain. Overall height should be approximately 55 mm, with a tapered cup shape measuring about 30 mm in diameter at the top and 20 mm at the bottom. Include a realistic plastic-style takeaway lid with subtle sip-opening details and concentric lid ridges. Integrate a strong keychain loop directly into the lid, with a 5 mm inner hole diameter sized for standard key rings. On the front of the cup, add a circular decorative emblem approximately 18 mm in diameter. The emblem should have a raised outer border and several small decorative stars around its perimeter, creating a premium coffee-shop-insp