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frontpagegabe23111 posted Aug 14, 2025 12:21 PM
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frontpagegabe23111 posted Aug 14, 2025 12:21 PM

SUNLU 3D Filament Connector w/ 400Pcs PTFE Sleeve

+ Free Shipping

$31

$56

44% off
Amazon
15 Comments 6,790 Views
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Deal Details
SUNLU 3D Store via Amazon has SUNLU 3D Filament Connector w/ 400Pcs PTFE Sleeve for $55.99 - $25.20 w/ promo code TQADECPJ applied at checkout = $30.79. Shipping is free.

Thanks to Community Member gabe23111 for finding this deal.

Features:
  • Turn into Value: SUNLU Filament Connector can fuse the remaining filament on the spool, maximizing the use of each roll of 3D filament and reducing waste
  • Creative DIY: Filament connector easily fuses filament of the same material but different colors. Create vibrant, personalized 3D prints yourself
  • Fast & Precise Heating: At room temperature, it takes only about 3 minutes to quickly heat up to 185°C, greatly improving efficiency
  • Wide Compatibility: Maximum temperature up to 240°C, which is compatible with a variety of 3D printer filament, such as PLA, PETG, ABS, PA/PC
  • Easy to Use: One-click operation, select the corresponding temperature according to the type of filament, greatly improving the user experience
  • Note: The package does not include a power adapter. We recommend using a 5V 2A adapter to ensure the Filament Connector powers on correctly
  • Safe Design: Filament connector with advanced temperature control technology and high-quality insulation materials to ensure safe use
  • Visual Operation: Built-in visualization window and display screen to monitor the filament connecting process in real time
  • 1.75 mm diameter 3D filament: The diameter of the filament fusing point is 1.75mm, which is suitable for all 3D printing filament 1.75mm
  • Packing List: Filament connector, USB cable, 2 Packs of PTFE Sleeve(400PCS, for fusing between filament and filament), and usage instructions

Editor's Notes

Written by powerfuldoppler | Staff
  • About this deal:
    • Please see original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.
  • About this product:
    • Rating of 4.2 from over 685 customer reviews.
  • About this store:

Original Post

Written by gabe23111
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
SUNLU 3D Store via Amazon has SUNLU 3D Filament Connector w/ 400Pcs PTFE Sleeve for $55.99 - $25.20 w/ promo code TQADECPJ applied at checkout = $30.79. Shipping is free.

Thanks to Community Member gabe23111 for finding this deal.

Features:
  • Turn into Value: SUNLU Filament Connector can fuse the remaining filament on the spool, maximizing the use of each roll of 3D filament and reducing waste
  • Creative DIY: Filament connector easily fuses filament of the same material but different colors. Create vibrant, personalized 3D prints yourself
  • Fast & Precise Heating: At room temperature, it takes only about 3 minutes to quickly heat up to 185°C, greatly improving efficiency
  • Wide Compatibility: Maximum temperature up to 240°C, which is compatible with a variety of 3D printer filament, such as PLA, PETG, ABS, PA/PC
  • Easy to Use: One-click operation, select the corresponding temperature according to the type of filament, greatly improving the user experience
  • Note: The package does not include a power adapter. We recommend using a 5V 2A adapter to ensure the Filament Connector powers on correctly
  • Safe Design: Filament connector with advanced temperature control technology and high-quality insulation materials to ensure safe use
  • Visual Operation: Built-in visualization window and display screen to monitor the filament connecting process in real time
  • 1.75 mm diameter 3D filament: The diameter of the filament fusing point is 1.75mm, which is suitable for all 3D printing filament 1.75mm
  • Packing List: Filament connector, USB cable, 2 Packs of PTFE Sleeve(400PCS, for fusing between filament and filament), and usage instructions

Editor's Notes

Written by powerfuldoppler | Staff
  • About this deal:
    • Please see original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.
  • About this product:
    • Rating of 4.2 from over 685 customer reviews.
  • About this store:

Original Post

Written by gabe23111

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Top Comments

MG_LIFE
391 Posts
238 Reputation
Note: this splicer is pretty difficult to use. It can be hard to get the filament into the right position. It's still the best splicer out there though.
slicerd
332 Posts
86 Reputation
I am tempted to get this but its hard to justify when you can score deals on filament for like $7-8. In order to justify i would need to save the equivalent of 4 rolls of filament. I have a filament scrap box and it has maybe one rolls worth across dozens of old rolls. This doesn't even mention the time/effort/failures this might create. If j could get this for $10 i would be game but its just hard to justify

14 Comments

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Aug 14, 2025 06:13 PM
307 Posts
Joined Feb 2010
tdcarterAug 14, 2025 06:13 PM
307 Posts
Thanks, ordered one!
1
Aug 14, 2025 08:29 PM
731 Posts
Joined Aug 2004
jimhAug 14, 2025 08:29 PM
731 Posts
In for one. Coupon code took a few tries, but it finally stuck. thanks, OP!
1
Pro
Aug 14, 2025 08:57 PM
391 Posts
Joined Jun 2025
MG_LIFE
Pro
Aug 14, 2025 08:57 PM
391 Posts

Our community has rated this post as helpful. If you agree, why not thank MG_LIFE

Note: this splicer is pretty difficult to use. It can be hard to get the filament into the right position. It's still the best splicer out there though.
2
1
Aug 14, 2025 09:09 PM
90 Posts
Joined Jun 2010
live42dayAug 14, 2025 09:09 PM
90 Posts
Got one as well! Thanks!
1
Aug 14, 2025 09:56 PM
332 Posts
Joined Jan 2008
slicerdAug 14, 2025 09:56 PM
332 Posts
I am tempted to get this but its hard to justify when you can score deals on filament for like $7-8. In order to justify i would need to save the equivalent of 4 rolls of filament. I have a filament scrap box and it has maybe one rolls worth across dozens of old rolls. This doesn't even mention the time/effort/failures this might create. If j could get this for $10 i would be game but its just hard to justify
1
Aug 14, 2025 09:58 PM
19 Posts
Joined Jun 2013
trampoline81Aug 14, 2025 09:58 PM
19 Posts
Quote from slicerd :
I am tempted to get this but its hard to justify when you can score deals on filament for like $7-8. In order to justify i would need to save the equivalent of 4 rolls of filament. I have a filament scrap box and it has maybe one rolls worth across dozens of old rolls. This doesn't even mention the time/effort/failures this might create. If j could get this for $10 i would be game but its just hard to justify
it's neat to use if you wanted to make your own rainbow/multicolor filament.I've also used it to splice the remaining spool to a new spool or several rems if what I have left isn't enough to finish a print.
Aug 15, 2025 11:03 AM
12 Posts
Joined Mar 2021
embuhrowAug 15, 2025 11:03 AM
12 Posts
Nice! I've had this filament splicer on my Amazon wishlist for a while. This made me finally pull the trigger on ordering.

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Aug 15, 2025 03:49 PM
874 Posts
Joined Jan 2012
smilesnxtcAug 15, 2025 03:49 PM
874 Posts
It took 2 tries to get it right. 1st attempt was too much pressure at the joint which created a bulge, 2nd was just right. Not too difficult and handy for the times you need it.
Aug 16, 2025 05:04 PM
407 Posts
Joined Jul 2017
ChonklaAug 16, 2025 05:04 PM
407 Posts
I waited too long it is no longer working.

EDIT: Nevermind - it gave me errors but when I went to check out the discount still came up.
Aug 16, 2025 05:27 PM
349 Posts
Joined Apr 2009
MrToymanAug 16, 2025 05:27 PM
349 Posts
Price went down to $26.67 when I added to my cart.
Yesterday 07:51 AM
500 Posts
Joined Apr 2007
bertfelinYesterday 07:51 AM
500 Posts
I don't get why I needed this. Bambu can print with the 2nd roll automatically if the 1st roll runs out
Yesterday 06:53 PM
248 Posts
Joined Mar 2009
zygomaticYesterday 06:53 PM
248 Posts
This or Infinity Flow S1?
Today 05:09 PM
205 Posts
Joined Dec 2010
elwraithToday 05:09 PM
205 Posts
Quote from bertfelin :
I don't get why I needed this. Bambu can print with the 2nd roll automatically if the 1st roll runs out
If you're a poor schmuck like myself who doesn't have an AMS for their printer (Creality K1 Max), this will help you use up a bunch of spool ends and not just throw them away.
Today 06:02 PM
694 Posts
Joined Feb 2014
nuy6n6nnToday 06:02 PM
694 Posts
This is a great product at the wrong time. If this had come out 5 years ago it would have killed it. People had been dying for a way to splice together used filament rolls for a long time. Then the AMS/MMU came along and solved the problem completely.

If you don't have an MMU then maybe this is for you but if you already have a multi color system don't bother.

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