High-detail 3D model of a motorcycle engine combined with a skull motif, designed for professional jewelry production, CNC engraving, and 3D printing.The piece captures the raw spirit of biker culture with a detailed mechanical engine and aggressive skull centerpiece, framed by a motorcycle chain border.

This design is fully optimized for casting and engraving — clear relief depth, no undercuts, and clean mesh geometry suitable for fine metalwork. Perfect for pendants, biker jewelry, or collectible medallions.

Technical Specifications:

File formats: STL, OBJ

Height: 31.32 mm

Width: 25.06 mm

Thickness: 7.07 mm

Pendant type: single-sided sculpted pendant with chain-style frame

Mesh: clean topology, watertight, CNC-safe

Approximate Metal Weights:(from MatrixGold data shown in preview)

Yellow Gold 14K: 9.94 g

Yellow Gold 18K: 11.89 g

Yellow Gold 22K: 13.80 g

White Gold 14K: 11.09 g

Silver 925: approx. 8.4 g

Features:

Highly detailed skull and V-twin motorcycle engine design

Surrounded by a motorcycle chain border for strong masculine aesthetics

CNC-ready, with balanced relief depth for engraving or casting

Ideal for gold, silver, or bronze production

Compatible with MatrixGold, Rhino, ZBrush, ArtCAM, and other professional tools

Includes both STL and OBJ formats

Concept:The design symbolizes power, freedom, and rebellion — blending mechanical precision with dark artistry. Perfect for riders, collectors, or anyone who appreciates bold jewelry with character and meaning.

This 3D model delivers professional sculptural quality and manufacturing accuracy for high-end biker jewelry or decorative art pieces