Spinner with Spiral-Mark
This is an optional spinner with Spiral-Mark for "Jet Engine, 3-Spool
This Spiral-Mark has the Special Support to print as 3D and can be removable and replaceable.
The spinner assembly can be replaceable for "Jet Engine, 3-Spool
I used "Fusion360" to design the spiral and its groove. (see photo)
Printer setting (Recommendation) (used PLA):
Spinner body (Spinner01ws-Test301.stl) = infill: 100%, Layer Height: 0.2mm, No support
Spiral Mark (Spinner-Spiral028sq201.stl) = infill: 100%, Layer Height: 0.1mm, No support
Take care to remove the Special Support for damaging of the spiral.
Finish carefully the spiral surface for irregularity.
Gluing is not necessary because it is placed in position itself.
This method is still under consideration.
Retired Aircraft Engine Engineer
"Aircraft Engine Museum by 3D Printer Models"
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