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LEGO Compatible Battery Case

Creation quality: 5.0/5 (1 vote)
Evaluation of members on the printability, utility, level of detail, etc.

3D model description

3D print a battery case for LEGO robotics projects! This is a 3D printed 8x8 LEGO compatible box that contains a 3xAA battery pack. It features studs and tubes that can attach to either side of LEGO bricks. The battery pack features a 2.1mm DC plug.

The case and battery mount are designed to snap fit together. The assembly is comprised of 4 individual parts that are 3d printed in PLA material.

Full tutorial learn guide:

3xAA Battery Holder

AA Alkaline Batteries

Crickit for Circuit Playground Express

Circuit Playground Express

3D printer file information

  • 3D design format: STL Folder details Close
    • lego-3xAA-case.stl
    • lego-3xAA-mount.stl
    • lego-3xAA-studs.stl
    • lego-3xAA-tubes.stl

    Learn more about the formats

  • Publication date: 2018-08-16 at 15:03





Adafruit was founded in 2005 by MIT engineer, Limor "Ladyada" Fried. Her goal was to create the best place online for learning electronics and making the best designed products for makers of all ages and skill levels. Since then Adafruit has grown to over 25 employees in the heart of NYC. We've expanded our offerings to include tools, equipment and electronics that Limor personally selects, tests and approves before going in to the Adafruit store. We pride ourselves on having great prices, the best customer service, technical support and fast shipping. We hope we can assist you on your journey of learning - At Adafruit we celebrate engineering happiness!

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