doctor coat pen holder 3d model

Generate a 3D printable pen holder shaped like a doctor's white lab coat. The model must be a hollow container with a large cylindrical opening at the top for storing pens, pencils, scissors, markers, and medical instruments. The opening should be clearly visible and functional, with an internal cavity extending down into the body. The object is a desk organizer, not a statue or figurine. The doctor coat forms the outer shell of the pen holder. Include realistic lab coat details such as buttons, pockets, ID badge, and stethoscope around the neck. Flat stable bottom for desktop use. Optimized for FDM 3D printing as a single-piece model. The FRONT side must contain NO text, logo, engraving, or branding. On the BACK side only, add raised embossed logo text: BRIGHT SPARK DOCTOR The text should be bold, raised 3 mm from the surface, centered near the lower back of the coat, fully attached to the model, and clearly readable. The letter P in SPARK must contain a spark/star symbol integrat