Evaluate Injection Mold Design in PP material (lid for water bottle)

I need a comprehensive evaluation of a drink bottle lid STEP file for injection molding. Your assessment will guide me in refining the design before submission to molding companies. This will be made in PP plastic.

Requirements:
- Check for structural integrity and design completeness.
- Evaluate ease of injection molding.
- Identify issues with:
- Draft angles
- Wall thickness
- Undercuts
- Provide difficulty level for molding and design improvement suggestions
- Consider specific plastic material (we intend to use PP)

Ideal Skills & Experience:
- Proficiency in analyzing STEP files
- Extensive knowledge of injection molding processes
- Expertise in design for manufacturability (DFM)
- Familiarity with various plastic materials