Skua
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Wind-driven gull scarer: 3D-printed flapping-flag rotor on skateboard bearings, no electronics. Parametric OpenSCAD.
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Updated at source:
Model information
- Source
- Printables
- Category
- Outdoor & Garden
- License
- Creative Commons — Attribution
Skua is a wind-driven gull scarer for a boat: a 1.2 m rotor of flapping plastic flags on a plank-mounted bearing tower. The motion and the clatter keep the gulls off. No electronics, no motor, wind only. Printed structure plus 8 mm aluminum rod, two 608 skateboard bearings and a handful of M3/M8 hardware.
The STLs attached here were generated for my printer and filament. Three critical fits are calibrated per printer, so start at the GitHub repo instead: print the gauges, measure your fits, put three numbers into the parameter file, and regenerate the STLs, either with the one-command script or by just opening the part files in OpenSCAD and exporting them manually.
The repo also has the full bill of materials and a step-by-step assembly guide: https://github.com/heavy-oil1462/skua