Models created in Blender and Polished in Zbrush. They are watertight and ready for printing/milling. Although there are some slight undercuts, they were created with molding and casting in mind.

Includes: FBX, OBJ, STL and for more control blend file too.
Medallions:

• 40 mm wide
• 34.4 mm tall
• 2.28 mm deep