Adjustable Extension Mask – Flexible Strap Relief

This adjustable extension strap is the perfect comfort upgrade for disposable or reusable face masks. Designed to relieve ear pressure, it offers multiple notches for a snug, customizable fit.

Printed in flexible rubber-like filament (TPU or similar), it's ideal for long wear and active use. Whether you’re working, traveling, or just looking for comfort — this tool is essential.

🧵 Details:

• Flexible, soft material for maximum comfort
• Multiple adjustment notches for all head sizes
• One-piece print, no supports required
• Easy to clean and reusable

🖨️ Print settings:

• Layer height: 0.20 mm
• No supports required
• Strength: 2 walls (perimeters)
• Recommended material: TPU or flexible filament