You can use the Bull Skull model for a Men's Bolo Tie, Pendant or Ring.

Weight of model with separate horns:

• Gold 14k - 16.13 grams

• Silver Sterling - 12.66 grams

• Volume - 1218 mm^3

• Wall thickness ~1.3 mm

Weight of united model:

• Gold 14k - 14.86 grams

• Silver Sterling - 11.53 grams

• Volume - 1110 mm^3

• Wall thickness ~1.3 mm

All bugs are checked and fixed. STL file is healed and ready to prototype.