Sprout: Upcycle the Humble Milk Jug with 3D Printing (VIDEO)

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3D Printing is perfect for augmenting an existing product to improve its function and prolong its life.  A perfect example is the 3D printed Sprout by Egant on Shapeways, that transforms the humble milk jug into an elegant watering can with some clever 3D printing magic.

Shapeways 3D Print Milk Jug Spout

The innovative design has two flow types and uses a captured ball valve so that the center can be used as a funnel yet the ball stops the water from pouring of the funnel aperture when you want to have a steady controlled flow.  This is really smart use of the potential of interlocking and/or captured parts that is possible with Nylon 3D printing whilst upcycling an existing product to prolong its lifecycle.

Check out the video which sets a new benchmark on Shapeways for an instructional video. 

Great work Egant.


  1. Raymond

    Really great idea and design but if white strong and flex material is not watertight then how can peope use it for this?

    1. Lindley Ruddick

      Note that is says “Nylon” not other materials such as white strong and flex.

    2. Duann

      White strong flexible is Nylon

      To be super accurate it is polyamide. Nylon 12

  2. Glenn

    Raymond, it doesn’t have to be watertight does it? It’s not designed to stop water flowing, but to promote it….

    This is a fantastic design. I hope it was submitted to Quirky.com… if not, sure as heck someone is going to copy it now.

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  3. John Trabelsi

    Very smart idea. I love to see the power of 3D printing getting into genuine peoples minds. Looking forward to see more of those things (please, no weapons).

  4. Gonzalo Yébenes

    *Beautiful* idea yet simple and clear. It’s round in its perfect usefulness. I love it, just in the event you hadn’t a feeling so far. ;-)

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  5. George I.

    That is a truly awesome design. I love the fact that it takes advantage or the 3d printing bypassing manufacturing limitations with the rolling ball valve. Very elegant solution for reusing the jugs. Of course it’s only useful for those who buy their milk/water in those jugs, but I still love it!!

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