The resin model serves a dual purpose, providing insights into the size and overall design of the ring, while also serving as a crucial validation to ensure a perfect fit for the stones within their respective settings.
The red sprue functions as the channel for the molten platinum to access and fill the resin, creating the cast ring.
Resin model from the top view.
Resin model from the shank view.
Resin model from the side view.