K-Cup Coffee Grounds Extractor

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Feel guilty throwing out those spent K-Cups full of coffee grounds? Would you rather recycle them and use the grounds in your garden? Made this to extract the coffee grounds easily and efficiently. Fits on a standard wide-mouth mason jar. I had tried 2 other models and they either broke really easily or didn't extract all of the grounds (or both). In addition, they took a lot of effort for each K-Cup processed... so I thought a screw-like device would remove the grounds easily without a lot of effort. This design works great in PLA as well as PETG (have tested both, pictures above are PETG). Note that if you use PLA, you must be careful to let used K-Cups cool down before twisting onto the screw and emptying the grounds. The high temperature of freshly extracted grounds will deform PLA. Have not had this happen with PETG. Hope you find this as useful as I do... happy printing!

Author:
PsychProd

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