WALLD Buy 3D CAD Files 3dm Jewelry CAD Solitaire Ring NextThree Stone Ring Solitaire Ring Solitaire Ring $15.00 Solitaire Ring with a 6.5mm Round stone. Size 6.5. You will receive a zip file with .3dm file as well as a .stl at a 6.5 finger size. Add To Cart Facebook0 Twitter LinkedIn0 Reddit Tumblr