Vent Grille — Parametric (3D Print)

Parametric VENT GRILLE by MarineLab3D — for heating/AC, fridge vents, locker air exchange and more. Print it to the exact size and look you need.

🔲 Shape: rectangular (equal sides = square) or round · your dimensions
📏 For ROUND, the Ø is the OUTER (overall) diameter — the full footprint of the grille.
🌬️ Pattern: horizontal / vertical / diagonal lines or round holes · open area 20–70%
↘️ Straight slots or LOUVER (angled): 20-30° max airflow · 35-45° balanced · 45-60° water/sun · 60°+ privacy (also for holes)
🧩 Optional round tube collar on the back (set Ø) to connect a duct
🔩 Optional countersunk screw holes · bevelled outer edge

🖨️ Print in PETG/ASA · face down. For louver, supports may help on the angled slots.

Use “Customize dimensions” to set shape, size, pattern, louver angle, open %, collar and screws, preview in 3D, then receive your STL after purchase.