The Smoothy - Y Splitter Connector

The Smoothy - Y Splitter Connector

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7508
16960
7876

Print Profile(32)

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Smoothy V2 PC4-M10
Smoothy V2 PC4-M10
Designer
51 min
1 plate
4.9(5.6 k)

Smoothy V2 PC4-M6
Smoothy V2 PC4-M6
Designer
51 min
1 plate
4.8(746)

Smoothy V2 PC4-M10 (PLA) - 0.2mm layer, 7 walls, 15% infill
Smoothy V2 PC4-M10 (PLA) - 0.2mm layer, 7 walls, 15% infill
1.3 h
1 plate
4.9(111)

PLA, 0.2mm layer, 2 walls, 15% infill
PLA, 0.2mm layer, 2 walls, 15% infill
1 h
1 plate
4.7(59)
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Open in Bambu Studio
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7508
16960
7876
3.5 k
40.8 k
33.6 k
Released

Description

Boost Me (for free)

If the Smoothy helps you on your 3D printing journey, please boost!

Meet the Smoothy!

The Smoothy is a PTFE Bowden Tube Y Connector designed for smooth filament transport without catching or binding. This allows you to use an external spool with your Bambu Lab machine without disconnecting your PTFE Bowden Tubes.

 

PTFE tubes are inserted deep into the connector for less wear on the FDM material. This allows for silky smooth operation.

 

As the filament progresses towards the output, it passes through a precisely-designed taper that mates perfectly with the output bowden tube.

 

All PTFE tubes must be inserted until each “stop” is reached (see cutaway diagram).

 

Connectors must be the black type (not blue). The black connectors allow the PTFE tube to “pass thru” which is required for the design to work smoothly: https://www.amazon.com/gp/product/B0B97RWKQR/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1

 

BENEFITS:

  • No Supports
  • No Overhangs
  • No Brims
  • Optimized Geometry
  • Designed for FDM Printing
  • Smooth Operation
  • Supports both PC4-M6 and PC4-M10 “pass thru“ connectors
  • Free to Download!

UPDATES:

  • The Smoothy Mount is now available! Download here: https://makerworld.com/en/models/18190 The mount is not required, but available to those who prefer to attach the Smoothy to their machines. Without the mount, it can simply rest in-line.
  • Both PC4-M6 and PC4-M10 connectors are now supported.

TIPS:

  • Make sure ALL bowden tubes are FULLY inserted until each one reaches its stop point. See cutaway diagram for an illustration.
  • The output tube does not insert as deep as the input tubes.
  • After inserting each tube, you can rotate the tubes back and forth while pressing inward slightly to make sure they're seated squarely and fully.
  • Glue Stick is recommended.
  • PTFE tubes must be cut squarely at the tip (no angled tips).
  • All PC4 connectors must be installed for a completed design with smooth operation.
  • Tested with a 0.4mm Nozzle and 0.2mm Layer Height.
  • Print vertically with wide dual-port side on the bed.
  • PC4 connectors typically have tapered threads. As such, make sure you don't over-tighten them as they can create a “wedge effect” and can cause damage.

NOTES:

  • These work well printed in PLA. More durable materials can be used, but it may require clearance adjustments.
  • I’m currently using this for my Bambu Lab X1C with an AMS, which utilizes an external spool.
  • This is the first model that I'm sharing, I hope you enjoy it!
  • The Smoothy can be used commercially, but can't be resold.

Comment & Rating (7876)

(0/5000)

Just fyi Aliexpress is selling this however it is the printed model so not sure of your personal feelings on it but still reported for IP because I don’t really agree with it myself. https://www.aliexpress.com/item/3256805862413266.html
The designer has replied
49
Reply
Thank you so much for letting me know! I didn't give them permission and even say it can't be resold anywhere. I will investigate - thanks again! 🙌
(Edited)
24
Reply
They could have at least used a good printer for it. My god the ghosting on that print is terrible. Was definitely not a BL printer. More like an old DIY that was pushed to the BL speeds...
11
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Replying to @JDJDJD :
This has been taken care of.
(Edited)
14
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Functions well. Printed easily. Really nice design. I used these PC4-M10 couplers and they worked perfectly:  https://www.amazon.com/dp/B01IB81IHG Printer: Bambu Lab X1C Filament: Hatchbox PLA True Black Weight: 13.5g Time; 56 minutes
The designer has replied
19
Reply
Awesome! Thanks for sharing your PC4-M10 link - cheers!
3
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Replying to @Blink60 :
It's the Smoothy Mount by the same designer: https://makerworld.com/en/models/18190#profileId-17064
2
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Dumb question but what screw did you use to secure the bracket? My stock screw was too shallow to fit so I'm assuming a longer one is needed from the hardware store.
0
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Print Profile
Smoothy V2 PC4-M10
I must admit I was skeptical, but this works absolutely perfect. Able to run 2 AMS without the $50 Bambu hub.
profile
16
Reply
Do you still have this same setup
profile
1
Reply
Print Profile
Shorter print time PLA PC4-M10 0.2mm layer, 2 walls, 15% infill
profile
12
Reply
Nice! Thanks for the 5 stars and for sharing your pic!
(Edited)
1
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What plate is that? looks like the gold bambu textured PEI but with no texture.
0
Reply
Boosted
still work with blue connectors???
0
Reply
WOW. Works fine.
The designer has replied
6
Reply
Very nice!
1
Reply
Boosted
How did you get it so nice to the connector on the printer?
0
Reply
hello 👋 where do I find the bracket that holds it ?
0
Reply
Print Profile
Smoothy V2 PC4-M6
Came out perfect, used Eryone PLA Metallic Iron.
The profile uploader has replied
profile
12
Reply
Wow that looks fantastic! Thanks for sharing!
1
Reply
Beautiful and clean model, easy print with Polymaker Highspeed PLA, used fuzzy skin on the main body of a splitter to achieve an awesome finish. The splitter works as intended, no probs at all. Thank you JDJDJD !
(Edited)
The designer has replied
7
Reply
You're welcome - thanks for posting!
1
Reply
Replying to @JDJDJD :
If you could explain, how to give those 5 stars to you (didn't find, where to "click" or so ...), I'll be more than happy to do so .. :)
0
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Replying to @bMars10 :
I had to look for it too, under your "profile menu" (up-right) > ratings. You are offered to rate only if you printed the item from the profile provided by MakerWorld. For example, if your exported the STL, then started a Bambu Project of your own and use the downloaded STL, you are not offered to rate.
1
Reply
Printed it in Bambu Tough PLA - and the mount, both printed Great and fitted couplers very well.. For some reason, I have a fairly agreesive angle on lower 'y' tube \ the return tube to the AMS buffer ? The top tube, going to the external spool - I am now having the extruder 'pull' the filament ok - but a lot faster? so now, if the spool is very full, the spoool 'de-spools' itself with filament loops, jumping off the spool... eventtually ending in a jam. Even not in the mount it still seems to have those issues. Do people shorten\lengthen PTFE tube lengtths from default? @JDJDJD FYI
The designer has replied
3
Reply
Hello, I'm happy to hear it printed well for you! BL may have cut your tube shorter in error. At any rate, for a tip on how to easily extend that tube, check out the photo of the back of my machine on the Smoothy Mount page (last photo using the coupler): https://makerworld.com/en/models/18190#profileId-17064 Hmm, I'm not sure that the spool issue is related to The Smoothy... Feel free to direct message me using the messaging system if you have any other Q's etc!
(Edited)
2
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Replying to @JDJDJD :
@JDJDJD Ok yeah I thought of doing that but figured another drag poinnt in the mix. The piece I am using on top for the external spool is some of the spare bambu inlcudes with the AMS.... so I could use another and join like you have i guess. Probabily will buy a PTFE Lenngth of the bambu correct ID etc and sort out a continous piece.
0
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I replaced the bottom bowden from the default 370mm to 460mm (+90mm). Now the angle is right. I recommend you to do it as well. Also don't forget to push the bowden tube inside the Y-connector until it reaches the stop point (around 50mm deep) or it may not work smooth enough. See the cut diagram.
(Edited)
3
Reply
Print Profile
Smoothy V2 PC4-M10
Came out perfect. Printed in PETG. Tested already and works excellent. Thank you!
The profile uploader has replied
profile
3
Reply
Fantastic, enjoy!
0
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hi, what spool holder and bracket are you using please?
2
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Replying to @user_1964051210 :
I think that spool holder and bracket is this one https://makerworld.com/en/models/169803#profileId-186458 👀
1
Reply
Print Profile
Smoothy V2 PC4-M6
Fantastic!
3
Reply
I’m having trouble understanding where this will be connected on AMS Lite and you are the first person I see using A1. Thank you! How’s it working so far?
0
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Replying to @gibi310 :
It work pretty well!
0
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Do you like how it is working here, or does it seem too heavy? Wondering if I should do this or put it on the top-mounted AMS lite
0
Reply

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