Electric Motor Cooling Fan

I have designed this cooling fan for electric motor that is used to run a 700W water pump (water pump of Lowara product). It should be fitted carefully and add security ring to it. If you find it a bit too tight or too loose then I recommend to adjust print scale in your slicer for +/- 1%. The diameter of the motor shaft is 12mm, the cooling fan has a hole of 12,1mm to 12,2mm. Total diameter of fan is: 103,7mm

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