CC print core compatibility

The Ultimaker abrasive resistant CC print cores are intended for printing composite materials, e.g. glass fiber, carbon fiber or metal filled filaments.

Note:  the CC cores are only compatible with the Ultimaker S3 or Ultimaker S5 (Pro Bundle), as these machines feature abrasive-resistant feeder wheels that can handle prolonged use of abrasive materials.

Ultimaker is working to expand its portfolio of Ultimaker materials with a composite offering. Meantime, the Ultimaker Marketplace offers a choice of over 50 composite materials. Several materials are already compatible with the CC 0.4 print core, with many more to follow.

Current list of materials compatible with CC 0.4 print core

At the moment, Material Alliance partners are working on making their materials compatible with the CC 0.4 print core. On the Ultimaker Marketplace a filter is added to show which materials are currently compatible with the CC 0.4 print core.

Can I print non-listed materials with the CC 0.4 core?

Often, the answer is yes! When a material only supports the CC 0.6 print core, you can print this material experimentally with the CC 0.4 print core. You do need to change some settings manually  in Ultimaker Cura, though.

Per material, the changes required can be different. As a starting point, we recommend to change the following settings:

Line width

  • Change line width to 0.4
    • There are multiple line width settings, usually you only need to change the main value, and the rest will change too

Retraction amount

  • Set this to 6.5 mm

Print speed

  • If issues occur, lower the print speed. Typically, print speed is slightly lower for the CC 0.4 than for CC 0.6


  • Lower cooling settings as needed. Less material is being extruded per time unit, so less cooling is required.

Slice the file and save to USB

Note 1: The printer will give a warning message, this can be ignored and the print will start

Note 2: CC Core 0.4 works best with layer heights of 0.15 or 0.2mm. You can try 0.1mm as well, but clogging may occur more easily.

Caution: When a print profile does not exist, extra caution should be paid when experimenting with the settings and print core. Clogging may occur - especially with materials that have high fiber content, or that have long fibers. Apply frequent maintenance and cleaning to the print cores.

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