3D Product Design STL Models

I'm looking for an experienced 3D designer to create STL files for a product design. The 3D models will be used to create prototypes for manufacturing, so precision and detail are crucial.

Requirements:
- STL files for 3D printing
- Designed for plastic material
- Suitable for manufacturing prototypes

Ideal Skills & Experience:
- Proficiency in CAD software
- Experience in product design
- Knowledge of manufacturing processes and requirements
- Attention to detail and accuracy

Please provide samples of previous work.