38 mm juice and milk bottle cap
A replacement cap for a juice or milk bottle with the wide 38 mm neck. The thread matches the 38 mm 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 | 38 mm (37.2 mm, 3-start) |
|---|---|
| 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.
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- All pet bottle caps · set your own dimensions in the PET Cap Generator