{"data":{"make":{"id":"184779","created":"2022-03-13T03:05:50.577575+00:00","edited":null,"deleted":null,"isMake":true,"printer":null,"parent":null,"author":{"id":"223155","handle":"warpman","verified":false,"dateVerified":null,"publicUsername":"warpman","avatarFilePath":"media/auth/avatars/5a/5a8f86aa-c761-4cdc-8859-5e136b9d6c2b.png","badgesProfileLevel":{"profileLevel":14,"__typename":"BadgesProfileLevelType"},"__typename":"UserType"},"images":[{"id":"100229","filePath":"media/comment_images/db/b9f4fc-f7fa-4ce8-ba45-020176926246/pxl_20220313_030303224mp.jpg","rotation":0,"__typename":"CommentImageType"}],"mentions":[],"text":"Came out pretty good needed a decent amount of supports on the Ender3 with PLA but I will try printing again with a resign printer.","rating":4,"likesCount":0,"liked":null,"membershipAgeMonths":null,"modelData":{"model":{"id":"142906","ratingAvg":"4.0000000000","ratingCount":1,"__typename":"PrintType"},"__typename":"ModelDataType"},"membershipTier":null,"__typename":"PrintCommentType","model":{"eligibleForNomination":false,"id":"142906","slug":"droneplane-propellers-generative-design-any-size","name":"Drone/Plane Propellers\u2013 generative design, any size","authorship":"author","club":false,"excludeCommercialUsage":false,"price":null,"eduProject":null,"ratingAvg":"4.0000000000","myRating":null,"ratingCount":1,"description":"

In 3d printing a RC Stearman model I needed an 11x5.5 prop. Instead of paying $3 for one I spentthousands of person-hours using high-expertise design skills to build this!

It's aprocedurally generated propeller design that'svariable-enabled. You can enter your dimensions and get a prop or customize and tailor to your hearts content. Don't like my vortex generators? Remove 'em or change them.

I'd like to build this document up with different sizes that people can just download- so if you'd like a size or variation that's not here ping me and I'll get you the STL and upload it here. Leave a comment or message me on discord/telegram

Printing

Needs to be printed with supports then sanded.

I use (and recommend) high-temperature PLA+ to print. It anneals when oven heated and becomes even stronger.

Here's my process:

Print:
- I prefer upside down to make the thin trailing edge come out great.
- with support! I use ~55-deg overhang angle
I use 3 wall perimeters with super thin 0.1mm layers and a high infill of 'lines' or 'grid' to keep it symmetric and balanced.
Optional annealing:
- after printing LEAVE SUPPORTS ATTACHED
- Bake in oven for ~10-15 minutes. I used 220F for my HTPLA+ from fusion filaments.
- Carefully remove supports. They're stronger now so go slow.
Sand sand sand. I:
- start by using a combination of a dremel sander and 80-120 grit to get all the layer lines out on the top and bottom surfaces (bottom is more important).
- Then I wet sand with ~200 grit, ~300 grit, ~400 grit, and ~800 grit.

That's it! My 11x5.5 prop takes ~5h of printing, 15m to bake, and 1h to sand/finish.

Source / Design File

Designed in onshape, effectively next-generation solidworks in the web (an mobile apps) Here's the public document. Anyone can fork and extend the design for free.

Also here's the page to get a free account, they keep a little it hidden from their main site

Message me!

If you use the CAD, print a prop, or even go with an alternative: Message me on discord/telegram! I want to hear how it went!

Post your make!

Please post 'em! Really! Take a quick cameraphone photo of your print in all its glory and show it off! Plus it really helps get this design out there to the world.

Message me on discord/telegram for

customizations
different engravings
different variation ideas
any issues: printing, design, fit, etc
to show off / geek out about your result
say howdy

Designing stuff is fun but interacting with cool people and hearing about their adventures is better. I can generate any variation / engraving easily, message me on discord/telegram and/or leave a comment and let's make your perfect version. I only ask that you post a make!

If you'd like the CAD or STEP file too, no problem. I've already helped a bunch of great folks! Send me a ping

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Propellers\u2013 generative design, any size","urlLicense":null,"urlLicenseText":null,"__typename":"PrintRemixType"}],"remixDescription":null,"__typename":"PrintType","user":{"id":"225959","handle":"t4obrien","verified":false,"dateVerified":null,"publicUsername":"Tim O'Brien","avatarFilePath":"media/auth/avatars/78/78677619-3372-4250-b065-65db5f92e724.jpeg","badgesProfileLevel":{"profileLevel":17,"__typename":"BadgesProfileLevelType"},"__typename":"UserType","isFollowedByMe":false,"canBeFollowed":true,"designer":false}},"unavailableModel":null,"replies":[{"id":"187170","created":"2022-03-16T01:00:12.276373+00:00","edited":null,"deleted":null,"isMake":false,"printer":null,"parent":{"id":"184779","__typename":"PrintCommentType"},"author":{"id":"225959","handle":"t4obrien","verified":false,"dateVerified":null,"publicUsername":"Tim 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Resin will definitely look nicer, but don't discount FDM! Print at a much lower layer height and check the tips in the description for print settings like support angle. \n\nI don't think you can make a prop that flies reasonably that doesn't need support. Propellers change their angle-of-attack as they go away from the center axis\u2013 so they're inherently not going to have a nice wide flat surface for printing. But. I made the CAD open source\u2013 go fourth and try it out yourself! CAD link: https://b.link/propGen","rating":null,"likesCount":1,"liked":null,"membershipAgeMonths":null,"modelData":{"model":{"id":"142906","ratingAvg":"4.0000000000","ratingCount":1,"__typename":"PrintType"},"__typename":"ModelDataType"},"membershipTier":null,"__typename":"PrintCommentType"},{"id":"187782","created":"2022-03-16T20:29:37.244930+00:00","edited":null,"deleted":null,"isMake":false,"printer":null,"parent":{"id":"184779","__typename":"PrintCommentType"},"author":{"id":"223155","handle":"warpman","verified":false,"dateVerified":null,"publicUsername":"warpman","avatarFilePath":"media/auth/avatars/5a/5a8f86aa-c761-4cdc-8859-5e136b9d6c2b.png","badgesProfileLevel":{"profileLevel":14,"__typename":"BadgesProfileLevelType"},"__typename":"UserType"},"images":[],"mentions":[],"text":"Thanks for the response! I will for sure attempt it. I snipped and cleaned it up a little bit and it is looking a lot better.","rating":null,"likesCount":0,"liked":null,"membershipAgeMonths":null,"modelData":{"model":{"id":"142906","ratingAvg":"4.0000000000","ratingCount":1,"__typename":"PrintType"},"__typename":"ModelDataType"},"membershipTier":null,"__typename":"PrintCommentType"}]}}}

Drone/Plane Propellers– generative design, any size

Drone/Plane Propellers– generative design, any size

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