STL 3D Model for Air Vent

I need a detailed STL 3D drawing for an air vent, intended for production.

Requirements:
- Create a precise 3D model based on my rough sketches
- Ensure the design is suitable for production

Ideal Skills and Experience:
- Expertise in 3D modeling software (e.g., SolidWorks, AutoCAD, Blender)
- Experience in designing production parts
- Attention to detail and ability to work from sketches

Please provide samples of previous similar work. Looking forward to your bids!