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Summary
Do you love Benchys but are frustrated because they don't float in water?
Do you want to print your child a cool Benchy for the bathtub that is fully compatible with Duplo?

Here is the stable floating Benchy fully compatible with Duplo!

 

Key features
- Very stable floating Benchy with good water holding (significantly better than some other "floating" boats or Benchys)
- Floats well even with a light load (see picture) - but will tip over with a heavy load!
- fully Duplo compatible (tested!)
- 4 different variants available (short or long & with or without Duplo connector at the bottom)
- really easy to print (fast & no supports)
- childproof

 

Print the Benchy
No supports needed.
0.2 layer height
15% Infill
3 walls / perimeters

 

Maybe you would also like to print these matching Duplo cargo containers?

Waterproofness
I printed mine in PETG with a low overextrusion (+4%) and got it absolutely tight.
I have read that printing with a layer height of 0.15 results in better watertightness.

 

The Benchy is childproof.

 

Do you like my work? I would be very happy if you would support my work on Ko-fi.

 

Differences of the remix compared to the original

  • complete rework of the model
  • simplyfied the model
  • added Duplo connectors
  • made four versions (bottom connector & length of the boat)

Originality of the Model

The author declares that this work is their personally remixed model

This model is licensed under the following terms:

Credit must be given to the creator

Remixes must be shared under the same license

Models(5)

  • model file image
    Duplo Benchy big with brick bottom.stlDesigner

    5.40 MB

    2025-09-24

  • model file image
    Duplo Benchy small with brick bottom.stlDesigner

    5.32 MB

    2025-09-24

  • model file image
    Duplo Benchy big flat bottom.stlDesigner

    5.35 MB

    2025-09-24

  • model file image
    Duplo Benchy small flat bottom.stlDesigner

    5.26 MB

    2025-09-24

  • model file image
    Duplo Benchys - Bambulab Nexprint.3mfDesigner

    4.80 MB

    2026-01-13

  • View all(5)

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