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These are 2 simple propeller designs that do print ok.
Print them at 'normal' or 'fine' rates, use support.
Print with the cone pointing upwards.
Print with as many surface layers as your printer supports, then drill out the hole to match the shaft diameter of your motor.
The photo shows a simple hovercraft we made using the 'broad blade' version of the 2 propellers, a simple 'Y' frame we printed to suit the motor and a disposable plastic dinner plate. It was just to test the fans (the broad blade seems most efficient).
SIMPLE PROPELLERS by davidbec08 is licensed under the Creative Commons - Attribution license.
So what's this mean?
We're sure davidbec08 would love to see what you've printed - take a photo and share it on Thingiverse as a Make.
To post a Make simply visit this Thing again and click I Made One to start uploading your photo. You can also download the Thingiverse Mobile app (available via Google Play and Apple App Store) to take a photo and upload your Make right from the app!