Enclosures and housings
12-Slot 4-Pole PMSM Stator + Rotor Core Set
- Bounding box
- 40.0 × 40.0 × 12.5 mm
- Engine
- Precision B-rep
- Parameters
- 16
- Published
- October 10, 2026
Download
Free to download and use. See the terms.
The prompt
Create a 3D-printable 12-slot, 4-pole, three-phase permanent magnet synchronous motor (PMSM) core model. Only include two separate solid bodies: the stator laminated core and rotor laminated core. Stator outer diameter: 40 mm. Stator inner diameter: 20 mm. Stator axial length: 12.5 mm. Use 12 evenly spaced winding slots with visible teeth. Rotor outer diameter: 19 mm. Rotor axial length: 12.5 mm. Central shaft hole diameter: 8 mm. Include four equally spaced permanent magnet recesses representing four magnetic poles. Maintain a radial air gap of 0.5 mm. Exclude the motor housing, shaft, bearings, windings, and permanent magnets themselves. Make the geometry suitable for FDM 3D printing, with no overlapping solid bodies. Allow the stator and rotor cores to be exported as separate STEP files.
Parameters
| Name | Value | Range |
|---|---|---|
| Stator Outer Diameter | 40 mm | 24 – 100 |
| Stator Inner Diameter (Bore) | 20 mm | 10 – 80 |
| Stator Axial Length | 12.5 mm | 4 – 60 |
| Number of Winding Slots | 12 slots | 6 – 36 |
| Slot Opening Width (at bore) | 1.6 mm | 0.8 – 5 |
| Slot Body Width | 3.2 mm | 1 – 7 |
| Slot Depth (radial) | 3.5 mm | 1 – 8 |
| Slot Neck Depth | 0.8 mm | 0.3 – 3 |
| Rotor Outer Diameter | 19 mm | 10 – 95 |
| Rotor Axial Length | 12.5 mm | 4 – 60 |
| Shaft Bore Diameter | 8 mm | 3 – 40 |
| Magnet Poles / Recesses | 4 poles | 2 – 12 |
| Magnet Recess Width | 6 mm | 2 – 14 |
| Magnet Recess Depth (radial) | 2.5 mm | 1 – 6 |
| Rotor Outer Rim Thickness | 1.5 mm | 0.8 – 5 |
| Magnet Recess Corner Radius | 0.8 mm | 0.2 – 1.5 |
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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