Flexible walnut nutcracker

by rossero, published

Flexible walnut nutcracker by rossero Apr 29, 2016



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2710Views 332Downloads Found in Kitchen & Dining


This nutcracker is designed to highlight the strength characteristics of Innofil3D filament for their recent contest. The nutcracker is printed in their recycled PET and is subjected to a lot of flex, tension and pressure at the same time. And still, it can crack walnuts with ease! It is designed to fit the average walnut, but other same-sized nuts should work as well.


Please note: you will need the right filament with the right amount of flex as well as strength. I have tested mine for days and it is still going strong, but I don't have any long term use experience (yet). It may break after flexing it excessively and fatiguing the plastic. This should be seen more as a proof of concept to impress your friends than an everyday household item ;)

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Hi, I am a walnut grower.
I'll look at running one of three off and give it some use :)
I only have standard PLA at the moment though.
Will let you know how it goes...

Hi there! PLA wil work fine, a litte more brittle. However, keep in mind that the range of the cracker is limited so it will not work on too large or small nuts. Cheers!