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Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!
SavageRodent

Spherical Differential

by SavageRodent Aug 14, 2016
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Awesome Thingi !! Printed really well little weakness at the base of frame

My print just failed because of the support. Did you use support for the frame_half_00 file?

I don't follow, how did the supports cause it to fail? yes i used supports when printing it myself.

The support didn't adhere good to the build plate so the top layers where printed without support because it got shifted

I would like to change the central sphere. Please tell me the estimated diameter of the sphere.

core diameter = 35.08mm
outer holes diameter = 7.3
i'm surprised u didn't just measure it? or impor the original, into your cad app, as a reference.
hope that helps

Thank you!
The lower layers have somehow melted and lost shape.
I decided that the most correct solution would be to ask you)))

I built this and I suppose I am a bit confused. Are you supposed to hold the outer "wheels" while you spin the core?

It's really just an ornament. There's no right or wrong way to play around with it.

cool thing! Is it compatible with LEGO 4716 worm gear? Could be used as a drive...

Nop! i think you'ed have to scale down the differential by at least 50% for it not to look completely out of proportion to the worm gear and even then you'ed need to replace the teeth.

so, I would have to print new worm gear suitable for your differential and fitting to the lego shaft piece ;)

Love this, just finished printing mine today. A bit of sanding needed as once ive screwed it all together the gears are quite hard to turn, a bit of lube and sanding will do the trick im sure!! thank you!!

What program did you design this in?