DIY Motorized Fidget Spinner!




Introduction: DIY Motorized Fidget Spinner!

Hi I'm Angelo! I am a college student taking my engineering majors in BS-EE/ BS-ECE at the DLSU. ...

It most probably crossed your mind to attatch a motor and a battery inside a fidget spinner. Today we are making a DIY Motorized Fidget Spinner! A spinner that would spin +3000rpm for 10 minutes until the battery runs out!



- Includes the spinner in action

- My usual highly detailed video tutorial

- 3D Printing Vlog

Step 1: Things You'll Need

Parts & Materials:

- Lithium Button Cells Batteries (2x)

- 5V DC Cooling Fan

- Tact Button Switch

- 608 Ball Bearing (Fidget Spinner Bearing)

- Superglue

Tools & Equipment:

- 3D Printer

- ABS Filament

- Dremel Rotary Tool

- Pliers

Step 2: Find a 3D Printer or a CNC

I have two 3D printers at home. A Pegasus Touch SLA 3D Printer and the famous ANET A6. I chose to use my cheapo Anet A6 for this one since I didn't want to waste the expensive SLA resin for such a simple project. FDM all the way! As for the spool, I'm using an ABS filament on this project, since I could do the Acetone vapour treatment to smoothen my spinner's 3D printed surface texture.

About the ANET A6. It's my first ever DIY 3D printer kit. Would have to say, for a $170 price tag (+free shipping), the printer performs well in terms of speed and quality. It's not the best, but the results you get from a very affordable printer, it's just awesome! I made an unboxing, Q&A, assembly and video review on my ANET experience. It's not yet done but here's a preview!


ANET A6 ($169 Discounted Link):Gearbest ANET A6


Step 3: Alternatives

Don't get discouraged if you don't have access to a 3D printer. You could always do it the old fashioned way! You can recycle a piece of acrylic and saw it into sections and use some tools like a metal file to curve the edges. There are thousands of fidget spinner tutorials her in Instructables!

Step 4: Find a Spinner Design - THINGIVERSE.COM!

Simply browse the web for fidget spinner design inspirations that you would want to motorize!

If you chose to use a 3D printer for this project, is like the Pinterest or Instagram of all 3D printing files! It's an online library where people can find and share their 3D models. The free downloadable files come in the .STL format, which means all 3D printers would be able to read and print models form the website! Just type in the search bar "Fidget Spinner" and you'll find thousands of free 3D printing designs!

LINK:Star Wars Tie Fighter Advanced Fidget Spinner

Step 5: Measure Your Fan Motor's Core

Acquire your cooling fan's motor diameter using a ruler or a vernier caliper. You'll need the measurement for the next step.

Step 6: Scale It in Cura

You may have to scale your fidget spinner so that you would be able to fit your brushless fan motor from where the bearing is supposed to be. Using your gradeschool stock knowledge in math, apply the simple concept of ratio and proportion to scale down or scale up your fidget spinner model using your previously acquired measurement.

Step 7: 3D Print Your Design

After exporting your .gcode files from your 3D printing software (mine's Cura 14.07), preheat your 3D printer then run your file.

Step 8: Spray It With Paint

Find a spray paint color that would best fit your fidget spinner design. Mine's a "Tie Fighter" from Star Wars so I sprayed mine with a grey layer of spray paint.

Step 9: Destroy Your Cooling Fan to Get the Brushless Motor

Dismantle and destroy your cooling fan to get the brushless motor out of it. You'll also have to pleir out the blades from it as well.

Step 10: Smoothen the Motor

After removing the plastic supports and plastic blades, your motor will most definitely have a rough surface. Use your Dremel or rotary tool with a sanding drum bit to smoothen it out. Just let is slide...

Step 11: Sandwitch the Motor to the Spinner

Step 12: Wire Your Electronics

Simply solder your battery, switch and motor in series. If you have no idea how to do it, I've provided a schematic diagram on this step.


had to post this instructable before the contest deadline ends.

Step 13: Buy or Scavange Bearings?

We'll need to gather a 608 fidget spinner bearing for the next step. I had a couple of spinner lying around, I figured I could get one by taking them apart in order to make a kick-ass battery powered spinner! After taking them apart, I did notice that these China made replicas had a couple of iterations over time. Bottomline: if you try to take one apart, chances are, you might find bearing of different sizes form different spinners.

Step 14: Grinding the Bearing

Get your Dremel or rotary tool again, then grind the inner hub of the bearing. It must not protrude as so not to create friction when you superglue it later to the motor.

Step 15: Add a Bearing on the Other Side

The other side of your spinner has all the electronics (motors, switch and batteries), while the other one must have a bearing for you to be able to hold it both sides while it spins! Grab a bottle of superglue to mount the outer ring (hub) of your bearing to the brushless fan motor.

Step 16: Happy Spinning!

Congratulations! You've finally made your own battery operated fidget spinner! Show it to your friends! See how they'll react. Just click tap the switch and let the magic happen! Place your bets... Enjoy!



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    23 Discussions

    Is pc fan enough to get an rpm of 3000

    very Nice Fidget Spinner Angelo!!

    it really pretty

    Doesn't having it motorized defeat the purpose? It is supposed to a "Fidgit" spinner..implying someone that "fidgits" would use this to occupy their time and hands! And at 3000+ rpms I would be afraid it might injure someones hand!

    2 replies

    The weight of the 3D printed plastic is light while the motor has a high RPM rate with low torque. Any obstruction would cause it so easily stop, making it safe-ish. There's some truth to that, but the intensified high speed gyroscopic feel makes it more satisfying than a regular spinner!

    Glad to hear its light but saying it's "safe-ish" doesn't make me think its any less dangerous to use. As for the "intensified high speed gyroscopic feel" being more satisfying than a regular spinner, is that your opinion or fact? The object of a Fidgit spinner is just that, an object someone fidgits with, meaning using not only their hands but fingers as well! If it is battery powered and spins on its own, then much of that has been taken away from the user that was looking for something to occupy their time and digits! Nice design though. Just would be more for what it is defined for if there was no motor!

    A spinner you don't even have to spin. This would have to take the Blue Ribbon in the "world's laziest toy" contest!

    3 replies

    Hahaha! Where do I sign up?! :)

    If it were a rechargeable battery, you could recharge it by using it the "normal way", yes?

    Yes! In the upcoming video tutorial, I showed a rechargeable version.

    Thank you! Well I wanted to see the looks on my friends after showing the spinner that seems to spin eternally... Hahaha

    DUDE! THAT'S SOOOOO COOL!!! Ur awesum! Nice job...

    1 reply

    I think a few of the bearings that I salvaged from all sorts of appliances were 608 ones. I just salvaged one a few days ago from a vacuuum cleaner.

    1 reply

    Yes! They're pretty common! Any would do.

    Ha ha - ironic to have a spinner that one doesn't spin - auto-fidgeting!