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Universal Water Pipe Plugs – G1/2 to G6/4 Sizes

IP Report

Print Profile(21)

All
X1
P1P
H2D
A1 mini
P1S
X1 Carbon
H2D Pro
P2S
H2S
H2C
A1
X1E
X2D
A2L

PLUG 3/4 PETG 0.2mm layer, 2 walls, 15% infill
PLUG 3/4 PETG 0.2mm layer, 2 walls, 15% infill
Designer
28 min
1 plate
5.0(2)

PLUG 1/2 PETG 0.2mm layer, 2 walls, 15% infill
PLUG 1/2 PETG 0.2mm layer, 2 walls, 15% infill
Designer
33 min
1 plate
5.0(1)

PLUG 3/8 PETG 0.2mm layer, 2 walls, 15% infill
PLUG 3/8 PETG 0.2mm layer, 2 walls, 15% infill
Designer
28 min
1 plate
5.0(1)

PLUG 1/4 PETG 0.2mm layer, 2 walls, 15% infill
PLUG 1/4 PETG 0.2mm layer, 2 walls, 15% infill
Designer
32 min
1 plate
4.0(2)
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Description

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Your support helps me create more free and practical designs for makers like you. Thank you!

Need to quickly seal a water pipe or hose end? These printable universal water plugs are designed for common metric thread sizes:

🔧 Available Sizes:

  •  G1/4, G3/8, G1/2, G3/4, G1, G5/4, G6/4

Each model includes threads optimized for FDM printing and tight fitting. Ideal for maintenance, testing, or emergency use.

🧵 Threading is modeled based on standard BSPP (G) sizes, and plugs are sized for practical real-world fitting. Best results are with 0.2 mm layer height and 3+ perimeters for strength.

 

🧪 Material Recommendations:

  • PETG – Recommended: great chemical resistance and watertight performance.
  • ABS – For outdoor or pressurized use, UV and heat resistant.
  • PLA – Not ideal for water, but can be used in emergencies when no other filament is available.

Note: Tightness may vary depending on slicer settings, printer calibration, and filament choice. You can add PTFE tape or a rubber washer for better sealing.

 

🧰 Use Cases:

  • Temporary water pipe sealing
  • Garden hose ends
  • Maintenance work
  • Leak testing
  • Cap for unused connectors

Comment & Rating (21)

(0/1000)

Saved me from a 20 miles trip to the hardware store and my house filling up with sewer gas.
The designer has replied
0
Reply
Haha, that sounds like a real plumbing emergency! I'm super happy that the plugs saved your day (and your nose). Thanks for sharing!
0
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Print Profile
PLUG 3/4 PETG 0.2mm layer, 2 walls, 15% infill
Worked perfectly
The profile uploader has replied
0
Reply
Awesome! Glad to hear it worked perfectly! 😄
0
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Print Profile
PLUG 1/4 PETG 0.2mm layer, 2 walls, 15% infill
it was slightly to large. reduced size by 10% and it either with putty tape to seal.
The profile uploader has replied
0
Reply
Thanks for the feedback! Could you please let me know which exact thread model and print profile you used? I tested all variants on my side, but I’ll gladly take another look to make sure everything fits as intended.
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Print Profile
PLUG 1/4 PLA 0.2mm layer, 2 walls, 15% infill
did the perfect job when scaled
The profile uploader has replied
0
Reply
Glad to hear it! That’s exactly what it’s made for 😄💧
0
Reply
Print Profile
PLUG 1/4 PETG 0.2mm layer, 2 walls, 15% infill
had to scale it but it worked perfectly
The profile uploader has replied
0
Reply
Thanks a lot, I’m glad it worked perfectly after scaling! 🙌
0
Reply
!
1
Reply
Hello, if I have a 1-inch pipe, what size cap would I need? Thank you
The designer has replied
Show original
0
Reply
Yes, if you have a 1-inch BSP pipe, you can use the G1 cap from my set. It is designed to fit standard 1" BSP threads, which have an outer diameter of approximately 33.3 mm.
0
Reply
wrong sizes!
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Reply
I'm not seeing the G1/8 listed. Am I missing something?
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Print Profile
PLUG 1/2 PETG 0.2mm layer, 2 walls, 15% infill
I saved myself
Show original
0
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License

This user content is licensed under a Standard Digital File License.

You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.