Hovercraft Propeller Collection
myminifactory
Hovercraft propeller, 3 and 6 fan blade versions. Print with brim if your bed adhesion isn't good. Blades are slim but they don't require support. See video here https://www.instagram.com/p/CLLfBjojF5o/ Update: Added curvy wider version with 3 fans. Mode air flow and direction is reversed. Update: Added a mini propeller, builds like vase mode, 2 perimeters, no infill for blades, assuming 0.4mm FDM printer nozzle. Costs quarter gram of filament and builds in 3 minutes excluding heat time. https://www.instagram.com/p/CLicpaGDJpR/ Update: Added a quadcopter like blade, not easy to print, you need suppors, point blade tips to build plate and turn on supports https://www.instagram.com/p/CLioNK7jRfW/
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