Spare cap for PET bottles (PCO-1881)
A replacement cap for a lost cap on a modern soda or water bottle. The thread matches the PCO-1881 standard, so it screws onto store bottles; Print it in PETG so it flexes onto the neck instead of cracking, and add 0.1 mm of clearance if your brand runs tight.
2D preview
Customize (configurator with these values)
Files are generated on request from the live generator; free, no account.
Specifications
| Neck | PCO-1881 (24.94 mm, 2.7 mm pitch) |
|---|---|
| Style | plain screw cap |
| Grip | knurled |
| Seal | none (dry seal on the neck lip) |
| Clearance | 0.5 mm, adjustable |
Printing
- Prints top-down as exported, threads up: no supports.
- PETG over PLA: it flexes onto the neck instead of cracking; 0.16 mm layers smooth the fine pitch.
- Too tight: regenerate with +0.1 mm clearance, necks vary by brand.
More pet bottle caps
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- PET bottle cap with loop (PCO-1810)
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- 38 mm bottle cap with hanging loop
- All pet bottle caps · set your own dimensions in the PET Cap Generator