I'm looking for a customizable 3D print STL file for a large themed advent calendar (over 20 cm). The calendar should have 25 compartments and can be designed in a modern or traditional style, but I prefer a themed design, like Christmas or Winter Wonderland. Key Requirements: - 3D model should be suitable for printing - Large size (over 20 cm) - 25 compartments - Themed design (e.g., Christmas, Winter Wonderland) - Ability to customize the design Ideal skills and experience: - Proficiency in 3D modeling software (e.g., Blender, Tinkercad) - Experience in designing 3D printable objects - Strong design skills for themed concepts - Familiarity with the requirements for 3D printing Please include examples of previous work.