Dremel Devil

by MAKE, published

Dremel Devil by MAKE Mar 10, 2014

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Dremel Devil by MAKE is licensed under the Creative Commons - Attribution license.

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73667Views 8360Downloads Found in Sport & Outdoors


The Dremel Devil is a 3D-printed fan that you launch from your high-speed rotary tool to soar up to 200 feet.

This surprising device, like a number of my projects, started out with me working in the lab alone late at night and goofing off with slightly dangerous tools! Read the full story at http://makezine.com/projects/dremel-devil.

Grab the file and get printing!


-The Dremel Devil was modeled in inches, so if your slicer program defaults to millimeters, you’ll need to scale up the part.
The Flying Fan Dremel Adapter needs to be super glued or epoxied to a 1" length of 1/8" metal rod. The rod is then inserted into the Dremel tool's chuck or collet.
-If you push the Dremel Devil too hard onto the adapter, it won’t release. It takes a bit of trial and error to figure out the right amount of pressure for reliable release.
-If your Dremel tool has a brake function when you switch it off, I've found that you can use the sudden deceleration to help the Dremel Devil release and fly farther.
-The Dremel Devils I printed out weighed an averaged 20g, we found that heavier ones did not fly as far.

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I enjoyed this thing, but could never get it to launch properly with the default adapter... So I built a new one. http://www.thingiverse.com/thing:2084879

Thanks for Thingy!

Alternate Launcher for Dremel Devil

Ha! Great time waster on break.

I ended up gluing the insert into the devil, and then using a pointed screw buffer holder bit threaded into the insert.
Slowly ramp up the speed then shut it off, the self braking action causes it to fly off....quite far....I'm on my third....

I had a hard time fitting the adaptor, so I used a round spaded-bit to fit it without the adaptor
UPDATE Lost in the bushes, now I wasted 30g of precious colorfabb Wood PLA. |:(

Sorry for your loss but there are always risks when you dream to take to the sky!

Yup! :)

The Fan is tiny, and as described you need to scale it UP by a factor of 25.4..

But the adapter is HUGE and has to be scaled down.. Anyone have an idea of how much.. If its still a Metric->Imperial conversion, then I am wondering whether its 0.0254?

If it helps anyone, I think I was right.. You scale UP x25.4 for the Fan.. And DOWN x25.4 for the adaptor

Ah, thank you for doing the math, jweaver! (Seems to be about right, although it makes me wonder who at "Make:" has a slicer program defaults to imperial inches............)

Thanks for your very good idea. A made an other version of your fan :

Dremel Flying Fan
by turbi

This is an awesome gadget! Works great after rotation of original STL by 90deg and scale up by 25.4x

Sep 9, 2014 - Modified Sep 9, 2014

printed 3 of these, 1 air printed 25% of the way...but I launched it anyway (and it flew pretty high), the other two work just like the video.

We used a sanding bit (shaped like the launcher piece) + a piece of tape to grip the "Dremel Devil".
Started on low rpm then cranked it up sort of slowly (variable speed Dremel), at max rpm just gave a small bump at the bottom of the Dremel to free the devil and send it flying. We primarily launched it straight up and it went over 2 stories high.

Me and a co-worker were looking for something just like this just days before you posted this.

Thanks for posting!

Printed 1 on a replicator 2X and the other 2 on a replicator 2, 0.2mm standard infill.
When i clicked to open the file in makerware, there were two options, one was to keep it super tiny, the other was to auto re-size it, chose the second and it was perfectly sized.

200 ft? What a scam...these things are weak, and barely lift off the dremel before plummeting to the earth faster than a North Korean rocket test and rolling under the desk to never be seen again... good riddance

I haven't made one, but change your fill density settings

Sep 4, 2014 - Modified Sep 6, 2014

When I saw this was by makezine I was like, oh cool, I didn't know they were on here, I'll bet the have a ton of cool models. Yeah, not so much. And then I thought, well this one is cool, except it is 30,000 plus triangles and is not scaled, does not lay flat for printing and has no "source" per se. I think the editors here saw it on reddit like I did and decided to feature it without considering the technical merits of the design, which I suppose is their prerogative.

if the launcher was threaded to the flyer then it wouldn't come off till you stop.

I thought people knew that arguing on the internet was pointless. LOL

Lots of things are pointless in this day and age, doesn't mean people still can't try to make a point. LOL!

Someone else already designed something like this... Citation much, Make?

Dremel Powered Flying Thing
by Zarquon

Just because I dont post on here doesn't mean I dont use CAD/Inventor on my own. I dont want people stealing my shit so I dont post it. lol

Which is a good idea, I do the same with many designs; Generally, anything I post on Thingiverse is a "gimme", Just the same, I'll post original content if it's worth sharing. Often the community on here gives citation, and can often add improvements to a design. The whole idea behind thingiverse was to host shared content that the community could build upon. It wasn't intended as a platform to steal ideas, rather, it was meant to help evolve ideas. Those days seem to be fading, however.

If people like myself and others didn't generate unique things and share them here, this site would degenerate quickly. Your motive to not share original work is completely understandable in the current state of Thingiverse, So I don't fault you for that, but it's not all that admirable given the intended purpose of the site. It's like downloading a torrent, and not seeding after you've got your file. Just saying.

But its totally different... I don't think that warrants a Citation...

Sep 4, 2014 - Modified Sep 4, 2014
Big-E - in reply to avidclimber

Prior art applies; If he chose to patent his design, he could sue.

I could completely re-design the smartrap printer so it operates in a different fashion, but I'd still have to give citation.
Even SmartFriends cited Brook and the PrintrBot simple for their design. even though they designed and built the Smartrap FROM SCRATCH.

Citation is definitely warranted; especially since they BOTH do the same thing, and use the same method of propulsion; They just get away with this stuff because they're MAKE!

For another example, check the previously featured item, LeFabshop made a derivative of another users design, and it got featured, http://www.thingiverse.com/thing:441087
while MacGyver's original http://www.thingiverse.com/thing:43591 never got the same honor.

This is becoming the standard here, and it's not fair to the generosity and efforts of the users who share an idea with the community when a copy or derivative made by some large outfit gets featured instead.

To Make or not to Make
Sliced Human Skull with Mandible and Teeth

Oh man... Its not that big of a deal...

...says the guy who has only customizer items in his portfolio.
Trust me, if you worked hard on a design and somebody else ripped it off and didn't give you the common courtesy of a reach-around, you'd probably feel different.

At least LeFabshop cited the original, but they changed the name completely. Mac's pretty pissed about it.

I've had derivatives done on some of my work, I've always gotten citation, but to feature the copy, and to give no love to the original is just plain rude. This is why I, and many others here, think it's a big deal.

You, however, are entitled to your opinion.

Comments deleted.

You've designed nothing in the first place, so you should just stay out of the conversation.

Comments deleted.

Thank you...

Comments deleted.
Sep 4, 2014 - Modified Sep 4, 2014
Big-E - in reply to thenragequit

you two deserve each other... in fact you probably are "each other"

Comments deleted.
Troll of the week trophy

+1 for having a sense of humor, even for the biters.

LOL! That was kinda funny.

When scaled by 25.4 times these are the dimensions
X-> 58.82 mm
Y- >58.82mm

Found this in repetier.

The adapter part came out ridiculously massive (250x500x250mm). Can anyone suggest a scale to get it down to a more reasonable size? I'm guess it should be 25x50x25mm but can anyone confirm this? I'm using Cura....

Scale it by 25.4 if I remember right the model was originally designed in standard instead of metric.

"Standard" units? Metric is the world standard!

+1 JonS. "Imperial" is the word you're looking for, BMelani. ^^

Sep 4, 2014 - Modified Sep 4, 2014

Can somebody give me instructions on how to print this using a makerbot replicator 2 and the makerbot software. What do I scale it to? What settings do I use? A response would be highly appreciated. Thanks!

What exactly are you asking?? You just need to open the .stl file into Maker-Ware and then print it... I would recommend printing it on the default settings... Send me a private message if you have any questions and I will be happy to answer :)

I really like the design but I would like to edit it so could you give me an editable file instead of stl. Thank you so much!

I weighed the Dremel devils we printed out and they were about 20 grams, hopefully that can help get the settings correct.

with how much infill?

I printed one and it looks great but unfortunately cured photopolymer resin must weigh much more than ABS or PLA so its a dud. But I love the idea so I may try to create a remix with thinner walls.

the model is in inches, so if your slicers defaults to mm you will need to convert and scale. For the shaft I use on the dremel it was a 1" long piece of 1/8" brass rod I got from the local hardware store. and yes you put the shaft into the dremel tool launcher.

Do you need to put a shaft into the launcher? Where could i get one?

How large do I need to scale it? what are you using for the shaft that goes into the dremel?

It looks like it was output in inches.. Scale it to 2540% (or 25.4 times larger)