CAD Design for Shock-Resistant Enclosure

I'm looking for a skilled CAD designer to create a plastic enclosure (bottom section) for an electronics device (a handset device). The enclosure needs to be shock-resistant and visually appealing. Designed to allow easy attachment to top piece (screws). STEP file for top piece attached. We will discuss the design of the bottom piece.

Key Requirements:
- Design for housing an electronics device
- Shock resistance is a must
- Aesthetic design is important

Ideal Skills and Experience:
- Proficiency in CAD software
- Experience in designing protective enclosures, particularly for electronics
- Strong understanding of materials and structural integrity
- Background in industrial design or similar fields