Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!

1.75mm Filament Feeder for Dry Box

by hondaman5150, published

1.75mm Filament Feeder for Dry Box by hondaman5150 Oct 4, 2014
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I was looking around for a filament fitting that I liked for my upcoming dry box for my filament. I found most to be too complex for my liking and also wanted a way to prep the filament prior to it being used. So I adapted ppyromann's Threaded filament dust filter http://www.thingiverse.com/thing:153807 to my own base plate to create one.

*UPDATE: I was asked to separate the files so they are up and loaded. I made a small mistake and saved it in inches. When I have a little more time I will fix that but for now they are up.


It was made to print with no supports. The one pictured was made with 20% infil, 2 shells, .30mm layer height in ABS. I just used a low res printing resolution in maker ware to do this. I did open up the holes for the M3 bolts a bit as when it printed it shrank a little. I just took a drill bit and ran it once.

Fits great. I'll post images of the completed box when I get it done.

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Any plans to make a solid cap ?

Perfect! Just what I needed for my dry box. Saved me hours. Thank you.

Hi, I have a doubt: how does this conector avoid the humidity to enter into the box? The box may be air tight but the conector lets air to enter into the box or Im missing something?

If you put in a sponge in the cap, it will act as a wiper and restricts air movement. It can't be 100% airtight.

Is it just my Cura or does the cap import extremely large?

Cura auto-scaled 10000x for me and I had to change the number back to 2540. Oddly, the STL with all three parts in it imported just fine as mm with no tweaking required.

Not sure if it is your Cura but I know that I made this in inches. Maybe Cura is automatically scaling it up or something. Try checking your scaling options in Cura and see what it says. Maybe someone who uses Cura can chime in here as I don't use Cura. Hope you can get some answers and post up in here so others can hear your solution to this as others may use Cura and are having the same problem.


Hi. When I load the individual parts into Slic3r, they're extremely small, less than 1mm in all dimensions. I haven't tried the combined file. Is this normal or am I doing something wrong? How would I scale them to the size they need to be? Thanks.

Sorry it took so long to reply. The STL was created in inches (I know I should do it in MM) as this was an early model. To correct it, you need to scale the object up by a factor of 25.4 and that will work. I tend to use the MakerBot software to export my files to print and it prompts me so I didn't think about other slicing programs. Sorry about the confusion.


Hey! This is great and worked perfectly for my needs. Thank you for uploading the individual pieces.

No problem. Glad it worked for what you needed. :)

For me it worked better printing the three parts isolated part by part.
Perhaps you can directly offer three single .STL files here for users having the same trouble.
But thanks for this part!

No problem on this. I needed this for myself so I figured someone would like one for themselves. I'll post up the separate STL's later on today. Thanks for letting me know.


*Edit: Sorry it took so long. I misplaced the original file. Found it and split it up into 3 parts. Enjoy!