Stud Earrings Pin Design on Rhino

I'm looking for a designer to create a few different types of stud earrings pins on Rhino. Specifically, I need three different types of the earring pins. The ideal freelancer would have experience in jewelry design and proficient in Rhino.

Key Requirements:
- Design of stud earring pins
- Creation of three different types of earring pins
- Use of screw backs for the earring pins
- Proficiency in Rhino software
- Experience in jewelry design