Self-rolling small cube fidget toy

Today I'm bringing an interesting fidget toy

It can roll by itself on a slope

It can also roll in your hand, you simply can't stop playing with it

My child brought more than a dozen to give to classmates, and they loved them, snatching them all up

Elementary school students couldn't resist them at all

It's very simple to make

You need to use 2 steel balls with a diameter of 11mm

You can buy 20 for only 2 yuan on Duoduo

Put the steel balls into the model, insert the pins, and close the two halves of the model, and you're done

I have modified more than 10 versions and tried various parameters to ensure the best rolling feel

If you like it, please give it a boost

PS: For 11mm steel balls, I reserved a tolerance of 0.6mm If your steel balls do not roll smoothly after insertion, please scale up the entire print yourself

For other sizes of steel balls, please scale them up or down proportionally yourself In theory, try not to use steel balls smaller than 10mm I tried 8mm and the feel was not good

Previously, I found that some models could not print per-object, so I have added multi-color per-object printing for A1 and P1, and also provided a separate single-color version I don't know how to do multi-color per-object printing for H2, if any H2 expert wants to print it, please download it to your computer and set it up yourself

Thanks to the extras: (some were discarded before the photo shoot)