Create Simple Fin STL Model

I need a 3D model of a fin in STL format based on a picture I will provide. The fin should be simple and smooth, without any intricate designs or textures.

Requirements:
- 3D modeling skills
- Experience with creating STL files
- Ability to work from reference images

The STL file should allow for adjustable dimensions, as I can scale it later for my needs.

Ideal Skills & Experience:
- Proficiency in CAD software
- Attention to detail
- Previous experience with similar projects

Please share any relevant work in your bids.