Replacement helmet (or other) vent scoop/cover
Description
I have an older Arai motorcycle helmet that lost its rear vent cover. Unfortunately you cannot buy original-style replacements for this model any more (at any reasonable price anyway). So I designed these. However, this may also be useful for anyone needing a small aero-style vent scoop. Model rocketry, model cars and R/C cars come to mind. There are three versions- 1) A simple, short blunt-ended scoop 2) A longer version with a blunt end 3) A longer version with a scalloped end I chose the shortest version for the helmet (see photo). They are all designed to fit onto a compound-curved surface, but because the radius of the curves are so large they may easily be sanded or trimmed to be flat if needed. These print very quickly and can easily be scaled up or down in your slicer to suit your needs. I have included both .stp and .stl files for all three versions. I hope these help you, and thanks for looking.
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