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30° Ceiling Vent Air Deflector

Created today

Home & Fixturesvent-deflectorair-conditionerceiling-ventclip-onspring-tabspetgairflowdesk
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Description

A clip-on deflector for a 10 x 10 cm ceiling vent. A blade tilted 30° redirects cold air sideways across the room instead of straight down onto a desk. Four spring tabs grip the vent edges and flex over a 5 mm thick lip.

What it's for

  • Redirects airflow from a square ceiling vent away from a desk or seat.
  • Mounts without screws or adhesive: the four tabs snap over the vent lip.
  • The blade spans the opening at a fixed 30° angle.

Dimensions

  • Frame: 108 x 108 mm outer, 96 x 96 mm opening, 3 mm thick.
  • Spring tabs: four, one per side, 16 mm wide, with a 5.4 mm gap under the hook for a 5 mm lip.
  • Tabs reach about 10.4 mm above the frame base.
  • Blade: 96 mm wide, 2.4 mm thick, tilted 30°. Overall height is about 22.6 mm.
  • Assumes a 100 x 100 mm vent opening with the frame sitting around it.

Print notes

  • PETG is the better choice, since the tabs flex and PLA is more likely to snap.
  • Print the frame flat, with its base on the bed.
  • Check the lip thickness on your vent. Adjust the tab gap if it is not 5 mm.

Remix ideas

  • Change the blade angle for a steeper or shallower sweep.
  • Make the tabs wider or thicker for a firmer grip.
  • Resize the frame for a different vent size.
  • Add a second blade to split the airflow in two directions.

Images

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