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Duct reducer 150 to 125 mm: preview of the model

Duct reducer 150 to 125 mm

3D printing1 partBeginner-friendlyNo supports

A reducer that joins a 150 mm and a 125 mm ventilation duct, with spigots on both ends and a 2.5 mm wall. It suits many cooker hoods with a 150 mm outlet whose duct through the wall is only 125 mm, and also tumble dryers, fans or grow tents. Secure flexible duct with hose clamps and seal the joints with aluminium tape; PETG copes better with warm, moist air than PLA. Not for flue pipes of heaters, boilers or stoves.

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Size
149.7 × 149.7 × 62.5 mm
Print time
≈ 2 h 41 min
Filament
≈ 65 g PETG
Parts
1

Print settings

Material
PETG
Layer height
0.2 mm
Infill
15%
Walls
3
Supports
none

Tip: Print standing as shown, no supports needed. With 3–4 walls (perimeters) it becomes watertight; a hose clamp holds hoses on the barbs.

Estimated by our slicer-like calculation for a 0.4 mm nozzle. Your slicer may show slightly different values.

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  • Size: 149.7 mm diameter, 62.5 mm high
  • Bottom: spigot for a pipe 150 mm inside, 25 mm long
  • Top: spigot for a pipe 125 mm inside, 25 mm long
  • Narrowest opening: 119.7 mm

This model comes from the “Pipe adapter” generator. Open it there with these settings and change any size you like.

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