Precise 3D CAD of Machinery Part

I need a highly detailed 3D CAD drawing of a machinery part based on a physical sample. The output should be in STEP format and is intended for manufacturing purposes.

Requirements:
- Create a 3D CAD drawing with all intricate features and textures.
- Utilize the provided physical sample accurately.
- Deliver in STEP file format.

Ideal Skills and Experience:
- Proficiency in 3D CAD software.
- Experience in creating high-detail models.
- Knowledge of manufacturing processes.