Milk Jug Watering Shower Cap (4L / 1 Gallon)

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NunchaGun

Household>Garden

IP Report

Print Profile(1)

All

H2D

P2S

X1E

P1P

P1S

A1 mini

H2C

H2S

H2D Pro

X1 Carbon

0.2mm layer, 2 walls, 15% infill

Designer

2.1 h

1 plate

4.9(24)

Open in Bambu Studio

Boost

290

300

272

Released

Description

Turn any standard 4L (1 gallon) milk jug into a simple and effective watering can with this easy-to-use shower cap attachment.

Designed for practicality and convenience, this model fits securely onto common milk jug openings, instantly converting them into a gentle, even water sprinkler—perfect for plants, seedlings, or garden use. The sprinkler holes are positioned opposite the jug handle, providing a natural, comfortable pouring angle with excellent control.

Key Features:

🌱 Fully functional design – Provides a smooth, even water flow for controlled watering
🧩 No supports required – Prints cleanly and easily on most 3D printers
🎯 Precise orientation – Sprinkler direction is aligned opposite the handle for intuitive use
♻️ Upcycle-friendly – Give your used milk jugs a second life
🥛 Compatible with 4L / 1 gallon jugs – Common household fit

Whether you're watering indoor plants or tending your garden, this lightweight and practical attachment gets the job done with zero hassle.

Comment & Rating (32)

@DirtyFacedKid

Print Profile

0.2mm layer, 2 walls, 15% infill

printed great! works well!

@user_1356581055

Print Profile

0.2mm layer, 2 walls, 15% infill

Very good. I just had to increase the size to fit Australian containers.

The profile uploader has replied

@chenrui

Can you let us know the scale up % for other Australia uses to reference maybe?

@user_1356581055

Replying to @chenrui :

Crikey, what was I thinking? I laid the thread face down, deleted everything above the threads to minimise waste, then cloned five copies. Each clone was increased in size by 1% which produced the winning ratio of 105%. This fits Australian 2ltr and 3ltr Milk containers from Brownes and various others. It also has a nice 270 degree tightening circle, placing the container handle in the best location.

@user_3985761605

such a clever idea!! unfortunately it seems just barelyy too small for the three different gallon jugs I tried, I might try scaling up a hair (seriously like 1-2%, it is SO close.) for reference for others I tried a shamrock organic whole milk jug, Arizona iced tea jug, and parents choice distilled water jug as those are the gallons I had on hand. I will try a few different jugs too. great idea, regardless! thanks!

The designer has replied

@chenrui

Hey, if you can provide me the diameter of your jug’s lid (measure from inside where the thread is) and the number of threads on your jug, I can help by adjust the model or suggest a scaling factor.

@user_1829313548

Print Profile

0.2mm layer, 2 walls, 15% infill

works great on reg milk jug

@user_3817633858

printed very nicely. ran water through it.looks like it’s gonna work. can’t wait until I finish my milk carton in order to clean it and then clean try it.