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Reusable Keurig Cup /w Filling Stand & Coffee Scoop

by MaikaiGuy, published

Reusable Keurig Cup /w Filling Stand & Coffee Scoop by MaikaiGuy Mar 12, 2013
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6299Views 1992Downloads Found in Kitchen & Dining

Summary

Improved! More robust filter basket and now with coffee scoop and filter holder! ;-)

I like my coffee filtered through paper. It just tastes better to me. The metal screen on the reusable Keurig filter left me wanting... and it was too clumsy to use with the EZ Cup filters I like.

I designed a reusable cup with an integrated basket for good filter drainage. There is also a stand which holds the cup securely while being filled with coffee.

I buy EZ Cup paper filters from e-bay. They were cheap.

Instructions

I use a Makerbot Replicator Dual.

Object fill = 10%
Layer height = .27
Number of shells = 1

The feed rate is 60mm/s with acceleration turned on. This allows better bridging. There is a significant bridge inside the cup.

I highly recommend you print the test bridge I provided. It is just a test print. It is the entire bridge portion of the design in a quicker print meant for testing/calibrating your printer. I found using a 60mm/s feed rate eliminated droop. My 42mm long, 0.5mm wide, and 2mm high bridges were perfect.

The disk printed with the cap needs to be glued (I use PVC cement) to the inside of the cap. Make sure the smooth part faces the outside. This is where the rubber seal of the hot water spout will mate with the cap, so it needs a smooth surface. This is the main reason this was not printed as one piece with support.

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200 degree water comes out of the keurig onto whatever quality plastic you used in making this. It most certainly leeches from the plastic and gets ingested. Please read up on the plastics your going to use.

kilobit, I'm surprised someone with your sentiments hasn't shown up sooner. ;-) It's nice to see that you guys are rare.

The two most popular plastics we use are ABS and PLA. Both are used in the food industry EXTENSIVELY. Plastic forks and knives are made of ABS. Many plastic cups are made of PLA. Some travel hot cups for coffee/tea/cocoa/soup/etc... are ABS. There is no special protective coating on the ABS plastic forks, knives and hot cups you buy in a store. The strength of the chemical bonds in both of these plastics is not far different than that of polystyrene, which is used, as you know, extensively in styrofoam coffee cups. 212 degree water is DIRECTLY poured into them whenevery someone makes tea or soup. There is reason to believe the 20 degree cooler water from an Keurig would somehow cause toxic chemical agents to be released.

Let's keep going. There is a high probability the rugs in your home have an ABS net backing. This is mechanically worn down every time you step on it, creating a small amount of plastic dust. Over time, this dust is raised and you eventually breath it in... along with all te other kinds of dust in your house. The sources of ABS and PLA plastic ingestion are all around you. Perhaps we should wear masks. ;-)

I highly doubt there are added insidious chemicals lurking within the plastic waiting to be "leached" out, but if you're concerned, don't print one. Just don't tell people something is dangerous when you have no clue yourself.

This thing printed just great the first time. But I wonder Why did you print the cap in two pieces? Too much overhang?.
I may have picked a bad day to quit sniffing airplane glue, but can I use it to glue the cap pieces? Or is it toxic?
Also, it seems a little silly to be worrying about bacterial buildup on a coffee steamer. dont these things get sterilized every time you use them?

Yes, the cap is in two pieces because it didn't print well as one. It kept trying to print the inner diameter of the center opening in mid air. :-/ So I made that piece a separate disk to be glued on.

Our Keurig model has a raised ridge that interferes with the flange and lid. The easy fix is to print this thing as designed, then just shave off one of the three flanges, and one of the lips on the cap. The ridge then slips right between the filter cone rim and the cap, and the whole thing sits in the machine properly.

I can easily edit the code to do what you need. Approximately how many degrees of the flange circle need to be cut back? I could remove just enough and move the interlocks. I don't think you'll have a great seal with only 120 degrees of the cap being held down.

Puh-leeze don't post that I'm poisoning myself with ABS or PVC cement. :-) ABS is used everywhere from carpets (meaning we probably breath ABS dust) to eating utensils. Heck, the original reusable Keurig cup is probably ABS. PVC cement is extensively used in our water supplies.

I don't mean to be disrespectful. That's not my thing. But unless you have data from a reputable source, recognized and respected by the scientific community, ... well... please don't post a scientifically unsupported personal opinion.

I would avoid the volatile smell emitted when printing, but once printed it's perfectly fine. I put mine through the dishwasher before I used it. ;-)

I agree. And as for "The holes/lines can cause mold to grow" argument. WASH AND DRY AFTER USE NOT A WEEK FROM NOW!

I love this comment ^
Risk analysis is somthing human brains seem completely incapable of. I design sensors that measure dangerous chemicals. Its crazy how much fear trumps logic.

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