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Simplified version of the ones available commercially. Sharpening the tip can help with sowing the net. 

Gauges in the picture were modelled very quickly in PrusaSlicer, so they are very simplified versions with sharp corners. I've added a picture with the gauge parameters (X = 25, Y=130 & Z=2.5)

Instructions how to start net making:

https://www.wikihow.com/Make-a-Handmade-Fishing-Net 

Print at 100% infill. Use a brim.