The bottle model is designed with glass thickness, and the liquid inside slightly overlaps the glass mesh. This creates a more physically accurate render, especially in modern render engines.
The model was created in Blender with real-world scale in mind, using centimeters as the unit of measurement. All objects, materials, and textures are clearly named and organized, making it easy to navigate. Transforms are reset, and the models are positioned at the origin of the scene. Texture paths are relative for convenience. The materials are set up for both Corona and Scanline renderers, though the Scanline file uses basic materials and won't match the preview images. The preview was rendered with Cycles, and the textures are bundled into a single file. Please note that the render scene is not included.