Replicator 1 - 2 - 2X Filament dust filter

by CreativeTools, published

Replicator 1 - 2 - 2X Filament dust filter by CreativeTools Feb 19, 2013
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This small device traps dust in a small sponge before it enters the extruder. In some cases it can also be used to easily lubricate the filament just before it is extruded.
The adapter is designed to fit the Replicator (1), Replicator 2 and Replicator 2X extruders.
Protecting your 3D printer's extruder from foreign particles is an important part of keeping the machine maintenance-free. This adapter makes it easy to keep the filament clean.

Related thing: http://www.thingiverse.com/thing:492067

By Creative Tools

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1 - Download the STL file
2 - 3D print it as is with standard medium or fine settings
3 - Cut two small pieces of sponge and place them into the filter case
4 - Close the case with the lid and two standard 3 mm screws
5 - Unload the filament from your Replicator 1, 2 or 2X
6 - Remove the filament guide tube
7 - Insert the loose end of the filament into the adapter.
8 - Make sure that it passes through the sponge and slides smoothly
9 - Insert the adapter into the Replicator's extruder hole
10 - Insert the filament guide tube into the top part of the adapter
11 - Enjoy hours and hours of dust-free 3D print extrusion
Check this Youtube video for more information: http://www.youtube.com/watch?v=CUG2MQkVAU0
Every now and then open the adapter and check the sponge for dust. Replace if necessary.
In some cases filament can jam or cause uneven 3D prints if the friction in the extruder's filament tube is too high. This adapter can also be used to lubricate the filament just before it enters the extruder.

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these are sweet printed perfectly

Does this work dimensionally on generic PTFE Teflon Tube OD 4mm ID 2mm? Meal while can the other end fit 4mm/0.16 Push to Connect PC4-M5 For PTFE Tube Connectors? Meaning for Bowden setup on the other end of the exrtuder. Your swift reply is appreciated.

What's the filament size that this one support? 1.78mm or 3mm? Please.

Thanks for asking Andre.

This is designed to fit 1.75 mm filament. If you want to use one that fits both dimension standards (1.75 and 2.85/3.0 mm), please consider the following design.


Universal Filament Filter and Lubricator

looks good m8 - thanks

Thank you Bill! :)

please add what screws you are using for the love of simmplicity and experience.

Thanks for your comment. We just used a few old screws we had around. This filament filter design is our first and quite old. Please consider 3D-printing the one below we made which does not need any screws.


Universal Filament Filter and Lubricator

Would this work on the replicator mini or should I print the Universal Filter

rsop - This filter would also work for the MakerBot Replicator Mini but it would be more advisable for you to print the http://www.thingiverse.com/thing:492067

We also made this adapter that you may find useful: http://www.thingiverse.com/thing:751182

Universal Filament Filter and Lubricator
MakerBot Replicator Mini Spool Holder

Just Magic! Since a long time i couldn't print large/big piece. But yesterday i print this Filament dust filter, and bought PTFE oil... And crossfinger but, i've printed 4 big box and no problem of stopping extrusion!!!!! Thnx.

We are very glad you liked this filament filter. It's purpose is to offer a way to wipe off any dirt particles and at the same time (if necessary) apply some kind of lubrication to the surface of the filament.

My print keeps failing when it gets to the smaller, skinny bits. I have read in a forum this can be a problem. But I don't know the solution. Any tips?

I read some wear that the reason the little bits fail is that the plastic does not have time to cool, one solution is to print a second copy of the object that way the printer is moving away from th small area long enough to cool before printing the next layer. Worked for me on a few prints. if it a big print and takes a while to print a simplified object at the same height will work also. it dtakes a little longer but the coequality is worth it.

a fan you need to kick on to cool the printed piece as it is being printed to keep it from drooping and sheild your head from cooling,

It is difficult to give you the correct advise without having more details. A print can fail in so many ways. It is also important to know what 3D printer you are using, if it is modified in some way and what filament you print with.

I made a set of these for my Replicator 2X this weekend and used one drop of 3 in 1 oil on the sponge/foam. I've tried a few things to get my 100 micron ABS prints to work, but this seems to be the only solution that fixed my problem. I've been able to print at a 100 micron setting for 13 hours on one drop of oil so far. Before using this my extruder was clogging and the feed wheel would eat through the filament resulting in an air print.

Thank you for the tip. I tried several things to fix it but your idea really works.

How to print this true solid? What is the best setting to print something true solid?
Mine is getting fragile at the end where the tube slides in.

Using replicator 2x with latest makerware and ABS as material

If you 3D print it at 50% infill it will be quite strong. A new 3D file for the top part is now added to this thing for download. It is modified to be stronger and is not slotted.

  • Filament filter-lubrication for MakerBot Replicator v05 (top part not slotted).stl

Printed 2.... on Black ABS and then found the hole in the bottom parts too small to let my filament go through with ease. Small drilling will fix it, but just sharing. Using 1.78 mm filament

Do you have STEP files of your design? I would like to experiment with the shape starting with your design if that is okay.

Is the oil you suggested -"Standard bicycle chain oil or the kind for sewing machines will do just fine."- for PLA or ABS?

So far it was only used for PLA but the idea is to make the filament travel as easily as possible. The quantities of oil are really tiny. A single drop on the sponge has in certain cases solved the problem. In other cases with a different filament no problem occurs at al.
As long as one just uses a drop or two, it should be trouble-free to experiment with different kinds of lubricants.

I have printed them and put them into service on my 2x
After a few days of printing i opened the case to find that this filter does in fact remove a large amount of dust before the filament reaches the extruder.
Good design.


We're glad you like the design. :)

Printed these out for my Replicator 2X. Made a HUGE improvement on PLA. Great idea and simple design. Thank you!

The file is adjusted to be stronger at the upper part where the filament guide tube is inserted. The file Replicator1-2-_Filament_dust_filter_v02.stl is not the latest improved version.


which is the latest improved version?

since the full name is not shown in the download-box, it's probably easiest just to check the upload date for the file.

It is the file called Replicator1-2-_Filament_dust_filter_v02.stl. It has a thicker upper part.The old one was a bit to thin and fragile which meant that it could fracture if the filament guide tube was a bit tight.

Great design! I am definitely going to print this filter and test it out.

You mentioned in your instructions and on an earlier post that the filter can be used to lubricate the filament before it enters the extruder.

What kind of oil do you recommend?

I am concerned that the wrong kind of oil may generate smoke or leave residue behind in the nozzle.

It's great that you liked the design! :)
Standard bicycle chain oil or the kind for sewing machines will do just fine. Just a single drop is enough for a long time and many prints. You never need to saturate the sponge... just give the filament a very thin layer to help it slide easily during extrusion.

Does this oil work for ABS?