Backdraft Valve for Ventilation Pipe Ø100 mm

A 3D model of a backdraft valve designed for Ø100 mm ventilation pipes.Prevents reverse airflow, cold air, and odors from coming back through the ventilation system.Boost MeBoost me if you like my design! Thank you! :)Features: Fits standard Ø100 mm ventilation ducts.Requires minimum supports — only 2 small ones.For different pipe diameters, simply rescale the model before printing.Optimized for FDM printing. Printing Recommendations: Material: PLA / PETG (PETG recommended for humid environments).Infill: 20%, layer height 0.2 mm.Only 2 small supports needed near the hinge axis.Installation: Press-fit into the pipe for a snug connection.If needed, you can secure it with a small self-drilling screw for extra stability.Apply a thin layer of sealant if airtightness is required.