Lots of people have suggested 3D printing propellers, but Landru is the first I've seen to do it. Looks pretty good! (I'm not sure I'd trust my old Makerbot with this--he's got a better printer.) He writes:
This is a redesign for an 8040 printable propeller with a 5.5mm (13/64") bore.
This prop was designed to keep the minimum cross section above .8mm allowing it to be more easily printed, though at a small efficiency loss.
The propeller will require support on one edge, which makes it very easy to remove.
I can redesign this for some different center hole diameters if requested, just give me some time as I am pretty busy.
Here is a short video with the prop on a motor:youtube.com/watch?v=v6yClT12Ges&feature=plcp
I will also be uploading a 5030 prop once it is flight tested.
I printed mine on a Fablicator using Kisslicer.
Comments
Wow is this a bad idea. The cross section of 3D printed parts is very inconsistent. The parts are very weak especially with thin walls. Please note in the video that the camera is lined up perfectly so that the camera man has every chance catching a part of a broken prop in their face.
It is some time that I use my makerbot thing o matic for some parts of my quadcopter. First some minor parts, then i've discovered that ABS can be used for almost everything if used properly. Now i'm testing light motor Mount (quad auw weight is 1.4kg!) long life to 3d print!! :)
for that kind of shape a cnc router seems to be a better option
Better yet, 3d print the mold! (laser sintered metal anyone?)
John, I agree. It's a really interesting concept, and I'd love to be able to make my own props that are custom designed for a multi-rotor. Similar to those nice CF ones you got, but in 12". But I also really question how strong they'll be.
It's a great indication on how the future will be. Just browser and click on a object, and some time later it comes out of the printer.
But frankly, I am having a hard time trusting the current 3D printers for something as sensitive as a propellers. You would not believe the amount of strain a propeller has to endure during flights.