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Custom Round air vent STL file ∅ 120 mm, slat angle: 50° with central reinforcement 📦#3866

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3D design of a round vent cover for ventilation in STL format. Its male diameter is 120 mm. The slats have a steep angle of 50° and a low thickness of 1.4 mm. A central reinforcement secures the whole structure. This ventilation grille has a prominent flange of 13 mm. The overall diameter of this model is 146 mm.
Generation date: 2025-11-27
3D Model Round air vent STL file ∅ 120 mm, slat angle: 50° with central reinforcement

3D model download

Free
  • round-air-vent-dia120mm-slD50d_model3866-nb0_dd{id}.stl : 3.8 Mo
STL Mesh quality : Linear deflection 0.1 Angular deflection 0.1
No compliance warranty No compliance warranty
(attribution - non commercial use - no derivatives)
Safe download

Values for this model

This model was generated by the Round air vent grill template, with the following values:
Parameter Value
#1 male diameter 120 mm (≃4.72 in)
#2 slat angle 50 °
#3 slat thickness 1.4 mm (≃1/16 in)
#4 flange width 13 mm (≃1/2 in)
#5 central reinforcement yes
Metadata Value
Total diameter (including flange) 146 mm (≃5 3/4 in)
Total thickness 25 mm (≃0.98 in)
illustration of the parameters
Parameter overview

  • The total thickness of the vent is 25 mm.
  • Whatever the parameters, the slats never overlap. This ensures an optimal airflow. At the same time, the slats form an almost opaque screen along the axis.
  • The slats are actually shaped as parallelograms rather than rectangles. This ensures better printability.
  • The slats and the central reinforcement (if present) feature a 0.40 mm fillet on all edges. This improves airflow and prevents potential whistling.
  • The collar, if present, is 3 mm thick and has a 2 mm fillet for aesthetic purposes.
  • The male insertion area is 3 mm thick and has a 1 mm fillet on both edges to facilitate insertion into the intended slot.
  • The central reinforcement, if present, is 2 mm thick and spans the entire projected width of the slats.

Labels are used in the naming of the downloaded 3D files.

Parameter Label
#1 male diameter dia
#2 slat angle slD
#3 slat thickness slT
#4 flange width flW
#5 central reinforcement renf

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Parameter Value Unit
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