3D Printable Chinese Dragon Head Coin – Technical & Design Guide
Yellow Gold (18K–22K): 20.58g (if cast in metal)
Silver Base Layer: 13.91g (if bimetallic design)
Prototyping: Resin (e.g., Siraya Tech Smoky Black) for ultra-fine detail
Metal Casting Ready: Wax/resin hybrid for lost-wax investment casting
High-Poly Mesh (500k+ polygons for scales, teeth, whiskers)
Undercuts & Overhangs supported for SLS/DLP printing
Key Features:
Realistic Scales: Parametric design for depth (0.1–0.3mm ridges)
Dynamic Expression: Open jaws, flared nostrils, and gemstone sockets (optional)
Mane & Horns: Flowing, organic curves (avoiding fragile thin sections)
B. Structural Integrity for PrintingWall Thickness: ≥1.0mm (prevents breakage during printing/post-processing)
Support-Free Design: 45° rule for FDM-friendly versions
Textured Background:
Clouds/Flames: 0.2–0.5mm recessed for contrast
Chinese Characters: Embossed (≥0.5mm height for legibility)
C. File Formats & SoftwareProvided Files:
.STL (high-res, watertight mesh)
.OBJ (with UV maps for texture painting)
.3dm (for CAD modifications)Design Software Used:ZBrush (sculpting)matrix Gold (precision dimensions)