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5 different threaded funnels for 11cm diameter storage jars — zdjęcie 1
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5 different threaded funnels for 11cm diameter storage jars

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Two funnels for filling out and three for filling in round storage jars with a thread. Different sizes

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Printables
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Tools
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Here are two funnels for filling out and three for filling in round storage jars with a thread - each of which with tight and regular thread fit. I have adapted the thread to these jars: "BigDean 2er Set Vorratsgläser 2,2 Liter Set Glas Schraubglas Lebensmittelglas Edelstahldeckel Schraubverschluss 27 x 11 cm" https://www.amazon.de/dp/B085FSKR1K since glas jars can withstand the temperatures of hot silica gel easily during the cooling down process of the silica gel.

I made the “filling out” funnels because I use them to store silica gel and decanting it into the smaller containers for which I need the silica gel has been cumbersome so far. I actually specifically created the funnel for my own ‘Huge Desiccant Box for SAMLA 65l Box’ to make decanting easier:  https://www.printables.com/model/637503-huge-desiccant-box-for-samla-65l-box-for-keeping-1 The bulge on the inside of the funnel serves to hold the silica gel for as long as possible until the funnel with the jar is fully inserted into the silica gel container to prevent premature spillage, even when the jar is full. As the funnel might also be useful for other purposes as well, I have also created a more general version, without the slots that are necessary for my huge silica gel box.

The “filling in” funnels are designed so that you can fill the jars with dessicant (or other things) more easily, for example after drying in the oven. I designed them to be as wide as possible to be printed in one piece and to be used for example with this Stainless steel kitchen strainer https://www.amazon.de/dp/B083TTHF6T which works almost perfect for drying larger amounts of silica gel. Important: Keep in mind to use propoer filament for the funnel if you are pouring 120°C hot silica gel into it. Materials like PC, PA6-GF, PA6-CF, PAHT-CF or PET-CF will do je job here. Other materials like PLA work (for me) as well but they might deform if you are not careful (since PLA melts at about 65°C).

Prints without support structures on the Bambulab X1C.

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