Ventilation Grille with Backdraft Damper – 170 × 170 mm
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External grille size: 170 × 170 mm Wall ventilation opening: 140 × 140 mm Estimated filament usage: 80–120 g
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Updated at source:
Model information
- Source
- Printables
- Category
- Bathroom
- License
- Creative Commons — Attribution — Noncommercial — NoDerivatives
How does it work?
The grille features a movable gravity-operated flap that allows airflow in one direction while automatically closing when the airflow reverses.
Main benefits:
Helps prevent cold air from flowing back into the room.
Reduces unwanted drafts.
Helps limit unpleasant odors entering through the ventilation duct.
Provides a clean and modern appearance.
The model consists of components designed to accommodate the movable backdraft flap.
Installation tips:
Before installation, make sure the flap moves freely and closes under its own weight. Check the dimensions and estimated filament usage in your slicer before printing.
Important: This damper is not completely airtight. Do not install it in passive gravity ventilation systems where it could restrict the required airflow.
Perfect for DIY projects, home improvements, and custom 3D-printed ventilation solutions.