3D CAD Product Design for Manufacturing

I need a professional 3D designer to create a CAD file for a small, portable consumer product designed for daily public use.

The product features:
• A rectangular body (roughly palm-sized)
• An integrated retractable strap mechanism
• A flexible attachment band (like a slap band)

You will be provided with:
• Clear sketches and reference illustrations
• All measurements and user flow
• Material suggestions (rubber, spring steel, plastic, etc.)

Please note:
• The full concept will only be shared after signing an NDA.
• This is for prototyping purposes — accuracy and precision are key.

Deliverables:
• STL/STEP and source files
• Compatible with 3D printing and manufacturing

Ideal skills:
• Product CAD design
• Experience with strap/hinge/reel mechanisms
• Understanding of materials like TPU, ABS, spring steel

Budget: On a tight budget
Timeline: ASAP

Looking forward to working with a reliable designer — NDA required before full brief.