Enclosures and housings
96mm Axial Fan Impeller
- Bounding box
- 92.4 × 94.3 × 15.0 mm
- Engine
- Precision B-rep
- Parameters
- 13
- Published
- September 14, 2026
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The prompt
Create a 3D model of an axial fan impeller (propeller) for a 100mm ventilation duct. Key specifications and dimensions: 1. Outer diameter (total diameter) must be exactly 96mm. 2. The central hub must have a flat bottom, a diameter of 45mm, and a total height of 15mm. 3. The central hole for the motor shaft must be a perfect cylinder with a diameter of 3.9mm (for a press-fit on a 4.0mm shaft). 4. Blade parameters: exactly 5 or 7 blades, backward-curved for high static pressure and low noise. 5. Blades should be solid, with a thickness of 2.0mm. 6. The pitch angle (twist) of the blades should be 35 degrees at the root and 25 degrees at the tip to ensure high efficiency in long air ducts. 7. The tips of the blades should be rounded to prevent turbulence near the duct wall. The model must be clean, manifold, and ready for 3D printing without errors.
Parameters
| Name | Value | Range |
|---|---|---|
| Outer diameter | 96 mm | 90 – 120 |
| Hub diameter | 45 mm | 30 – 60 |
| Hub height | 15 mm | 8 – 25 |
| Motor shaft bore | 3.9 mm | 2 – 10 |
| Number of blades | 5 | 5 – 7 |
| Blade thickness | 2 mm | 1 – 4 |
| Pitch angle at root | 35 deg | 15 – 50 |
| Pitch angle at tip | 25 deg | 10 – 45 |
| Chord length at root | 18 mm | 10 – 30 |
| Chord length at tip | 12 mm | 8 – 25 |
| Backward curve shift | 4 mm | 0 – 12 |
| Tip fillet radius | 0.8 mm | 0.1 – 1.5 |
| Blade root embed depth | 3 mm | 1.5 – 5 |
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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