3D Printable PLA Bangle, This bracelet was specifically designed to be compatible with 3D printing techniques using PLA filaments. 

Recommended material: PLA filament (characterized by its ease of printing and dimensional stability). Inner diameter: 65 mm (comfortable size for most wrists). Design thickness: 4.5 mm (designed for durability and to prevent breakage during daily use).

Infill: At least 20% for increased rigidity. Wall lines: 3-4 walls to ensure structural strength. Supports: Supports may not be required if the design is flat, ensuring a smooth exterior surface.