PET bottle cap STL files
Threads follow the real neck standards. Print in PETG so the cap flexes onto the neck; use the clearance setting if your brand of bottle runs tight.
Spare PET bottle cap (PCO-1881)PCO-1881 - every modern soda and water bottlePET Cap Generator
Two-bottle PET coupler (PCO-1881)two PCO-1881 necks, one at each endPET Cap Generator
Spare cap for PET bottles (PCO-1881)PCO-1881, plainPET Cap Generator
PET bottle cap with hanging loop (PCO-1881)PCO-1881, loopPET Cap Generator
PET bottle coupler (PCO-1881)PCO-1881, couplerPET Cap Generator
Spare cap for older PET bottles (PCO-1810)PCO-1810, plainPET Cap Generator
PET bottle cap with loop (PCO-1810)PCO-1810, loopPET Cap Generator
38 mm juice and milk bottle cap38MM, plainPET Cap Generator
38 mm bottle cap with hanging loop38MM, loopPET Cap Generator
38 mm bottle coupler38MM, couplerPET Cap Generator
Sealed PET cap with TPU washer (PCO-1881)PCO-1881, plainPET Cap Generator
Need a different size?
Every model here comes from a generator, so any dimension can change: PET Cap Generator. Type your numbers, watch the preview, download STL + 3MF.