Basic 3D Modelling for Product Design

I'm looking for a skilled 3D modeler to create a product design. The model doesn't need to be highly detailed, just basic shapes and layouts. The final 3D model needs to be delivered in .stl format, so experience with this file type is a must.

Ideal Skills:
- Proficiency in 3D modeling software
- Experience in product design modeling
- Ability to deliver in .stl format