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Tired of those single use flossers you can buy? Me too!

Print one yourself! It's indefiniately reuseable, is a great calibration object and nice gift for friends. I recommend printing it with PLA+.

I had to put in a lot of work to get it how I want. It is perfect for the last meter of your filament spool, since it weights less than 10 grams.

Look at the wicking instructions on the second image. You need to apply some pressure on step 3+4 to tighten the floss.

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This model contains a small hook you can use for vapor smoothing. Doing this is strongly recommended, since without smoothing lots of bacteria and dirt can accumulate in the layer lines, and it's a health hazard for hurting yourself with sharp edges.

To smooth it, you take a solvent like ethyl acetate or acetone, pour a bit of it into a jar and heat it up using a hot water bath. Now you place that object into the solvent vapour and wait til the surface is slimy. After that, let the solvent evaporate and evoila, you have a super smooth part. Further information here: 

Source file to modify: https://cad.onshape.com/documents/ab8b77f8cdfa3a40d2760f4f/w/8557e92b853960247b05e58b/e/b87fb52ab9f1f53c90b9f788