Ultimaker UltiMaker Print Core AA 0.40mm (Build Core)

The UltiMaker 3 offers quick-change print cores for a more efficient workflow, reliable and durable results, and the ability to print with a wide variety of materials.

  • Prints with high quality and consistency
  • Offers a quick and easy way to change between different materials
  • A huge portfolio of materials are available to use
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Product No. M-7YU-TWSY
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The UltiMaker 3 offers seamless integration of software, hardware, and materials, culminating in efficient workflow and consistent, high-quality results. Their revolutionary dual extrusion Print Core system comes with swappable print cores for build (AA) and support (BB) materials, opening up a world of new printing possibilities. Each core also features UltiMaker's unique auto nozzle-lifting system, ensuring reliable, clean, dual extrusion prints.


  • Material-matching. Get consistent, high-quality 3D printing results with customized print cores for engineering build materials or soluble support.
  • Quick-to-change. Quickly swap print cores and switch between different material combinations for a more time-efficient workflow.
  • More materials. Select from a huge portfolio of materials including all Ultimaker filament, as well as our entire catalog of PLA, ABS, PETG, and more!
  • Accurate temperature reading. Maintain the perfect temperature for an even better quality print – with automatic, accurate temperature readings.
  • Reliable and durable. Better 3D printing results, with a new silicone cover to stop filament leaking into the extruder.

Supported Materials

  • Print Core AA (Build Core): PLA, ABS, CPE/PETG, Nylon, and more!

  • Print Core BB (Support Core): PVA

Pick the perfect print core

UltiMaker now offers five different Ultimaker 3 print cores to suit any project:

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