Blender Model for 3D Printing -- 2

I need a small air pipe designed in Blender for 3D printing with my Bamboo X1 Carbon. The design must be functional and meet specific requirements.

Requirements:
- Must be designed for 3D printing
- Functional design
- Must have specific dimensions
- Must accommodate a specific connection type

Ideal Skills and Experience:
- Proficiency in Blender
- Experience with functional 3D models
- Familiarity with 3D printing requirements and constraints
- Attention to detail for precise dimensions and connections