This Model is Designed for Manufacturing , the metal body has no sharp edges and also has cuts in the prongs for placing Gems . you can check the full design in 3d pdf file if you dont have a 3d software installed on your device, You will find the following Files ready to download after purchasing the design

for the full design :
-STL FILE
-OBJ FILE
-STEP or stp FILE
-3DM FILE
-3D PDF FILE
-2D DIMENSIONS AND COUNT FOR ALL GEMS AND METAL BODY

for metal body :
-STL FILE
-OBJ FILE
-STEP or stp FILE