Ball Bearing Fidget Spinner

by Dorikin350z, published

Ball Bearing Fidget Spinner by Dorikin350z Oct 11, 2016
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10027Views 1647Downloads Found in Toys & Games


Check out my concave buttons for the skate bearing here: http://www.thingiverse.com/thing:2071591
And the triple sided version here: http://www.thingiverse.com/thing:2063397

I have just uploaded a second model which uses 1/2" (12.7mm) ball bearings instead of the 5/8" (15.875mm) ones if you prefer lighter weight or can't find the 5/8" ones.
Also, both models now require no super glue and instead everything just snaps in and is secure.

I stumbled upon Jim Skelton's videos on fidget spinners on youtube but I was definitely not paying $500 for a machined one, and I didnt really like the design of any of the ones I saw on here, they just didnt look very ergonomic to me. Now I'm not saying mine is, and I suppose you cant do all the tricks you could do with others, but I hadn't seen any designs like this and decided to give it a go. This is my first thing so I would appreciate any feedback, and if the demand is there I could attempt to make it customizable for different size bearings or different lengths. Thanks for the download and good luck!

Please post photos if you made one! P.S. I would suggest printing this in brighter colors because when it spins it creates some cool patterns that aren't as pronounced when printed in black.

Print Settings


Geeetech G2S Pro


Doesn't Matter








Would suggest printing with a brim due to the small size of the ends, I had issues with warping without a brim. Although my printer is basically a fancy looking piece of garbage so you may not have this issue.



  • "Skate" Bearing
  • 2 5/8" Ball bearings
  • 2 1/2" Ball bearings

The bearing will press fit snugly inside the housing, and the ball bearings just snap in.

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What do you use for the side weight balls. Glass marbles?

This design is so great!! However, I am new to 3D printing and was wondering how hard it would be to modify to be able to hold 1 inch (25mm) bearings or marbles, as I have some old pinballs lying around that I thought might work. I don't have the skills yet to modify the design to accommodate the larger bearings. If you could upload this design to handle the 1 inch bearings, I would really appreciate it. Thanks for the great work!!

I can tell you the 1" will be EXTREMELY heave if they're steel, but I'll try to make a 1" version some time this week, keep an eye out.

I have some 10mm balls from another fidget spinner, would you mind making one of those?

Thank you so much for your help. Actually, I have 1 inch glass marbles which I can also use if the pinballs are too heavy. You are the best! I am new to this thingiverse, so what is the best way to know when you have posted the design?

If you add it to a collection it might notify you not sure, but I'll reply here when I get it done so you get a notificaton. No problem dude.

Dorikin350z any chance you can make the spinner to accommodate the one inch marbles (25mm)?

Done! It's kinda ugly and I have a feeling the 1" balls might be pretty hard on it, but give it a print and let me know how it turns out and I'll make any suggested changes.

Awesome!! Thanks, man. I will let you know. I am tied up at work but will try to print Thursday.

I have been super busy this week but I will get to it hopefully tonight and if not tonight I will get it done tomorrow, sorry for the delay. I'm a college student with an internship so I don't have all that much free time, so bear with me.

Dude, the thing totally rocks!! I put up a pic. I don't have the caps printed yet, but that is coming. Thanks again for your awesome design.

  1. When I actually managed to get this thing to print for me I loved the weight and feel of the spin with the bearing. I haven't seen many other spinners that use just ball bearings as counter weights. So kudos are definitely in order.

  2. I would love a fully enclosed version, but I think it would also be fun to have a sort of clamshell version so the ball bearings wouldn't fall out, but at the same time you could just roll them silently with your thumb. Not sure if that would work, but it would be fun if it did.

I recently uploaded a three sided version of this which retains the open ends but I made them thicker, so no glue is required and the ball bearings are secure. I will work on updating this model to match that one soon. Keep an eye out for that one. Thanks for the input!

The ball bearings don't fall out?

They're superglued. I can edit the model to fully enclose them if you'd rather do that, but they could still fall out

To be honest my ball bearings won't be here till this Friday, but running it without them it is much more comfortable to flick around than the model I acquired from thingiverse and I hope you all think the same. I do worry that the portions which hold in the ball bearings will be far too weak, if this is the case I will reinforce them or make them full circles. I just liked the design. Also I have large hands and I think this is a bit on the large side of comfortable for me, so I will create an alternate scaled down model to fit a wider range of hands.