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Duplo Replacement [Jail] Door/Window (31171) — image 1
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Duplo Replacement [Jail] Door/Window (31171)

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This is a replacement door/window for Duplo, most typically used as a jail door.

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Model information

License
Creative Commons — Attribution — Noncommercial — Share Alike

I made a print profile on MW for Bambu if you prefer that.

Duplo-Compatible Replacement Jail Door / Window (Part 31171)

Replacement barred door / window panel compatible with Duplo-style building bricks.

This model recreates the classic barred door element commonly used in police station, castle, and jail builds. It is designed as a drop-in replacement for the original piece so older sets can be repaired or restored.

The door panel prints flat and installs into the existing frame hinge points in the same general style as the original piece.

Great for replacing lost parts or adding additional barred door or window elements to custom builds.

Features

  • Compatible with Duplo-style building bricks

  • Replacement for the barred door / window element commonly known as part 31171

  • Hinged door design

  • Prints quickly and reliably

  • No supports required

Printing

  • Print flat on the build plate

  • 0.2 mm layer height recommended

  • PLA works well, PETG is probably better

  • Supports not required

Notes

  • This is a fan-made replacement part intended to be compatible with Duplo-style bricks

  • It is not an official product

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