Enclosures and housings
Fan Downward Deflector Shell
- Bounding box
- 120.0 × 141.6 × 141.6 mm
- Engine
- Precision B-rep
- Parameters
- 7
- Published
- October 18, 2026
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The prompt
So, I have a windows that pull up to open and it has a gap that on down side, I installed a fan to blow room air outside, but the fan is pointing horizontal not down, So, I want to add a shell to direct air flow to blow it downward. The fan cover can rotate to release it, So, I can replace the cover with the new shell, the cover is a 141.6mm circle outside dimensions, 5.49mm thick, inside dimension is 136.5mm then between inside and outside it has a 1mm gap for rotation and it is 4.1mm deep. Can you design the downward shell that has the good air flow and not very thick and massive. Because I want it easy to install.
Parameters
| Name | Value | Range |
|---|---|---|
| Inlet outer diameter | 141.6 mm | 100 – 200 |
| Inlet inner diameter | 136.5 mm | 100 – 190 |
| Mounting flange thickness | 5.49 mm | 3 – 10 |
| Shell wall thickness | 2.5 mm | 1 – 4 |
| Duct horizontal depth | 120 mm | 30 – 200 |
| Outlet width | 130 mm | 60 – 140 |
| Outlet length (X) | 100 mm | 40 – 150 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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