Ultimaker offers three types of print cores, which can vary in size.

• AA - for build materials and Breakaway support
  • Available in 0.25; 0.4 and 0.8 mm size
• BB - for PVA support material
  • Available in 0.4 and 0.8 mm size
• CC - For composite (glass and carbon filled) materials
  • Available in 0.4 and 0.6 mm size

The AA and BB print cores are compatible with all Ultimaker printers that use print cores. These are:

• Ultimaker S5
• Ultimaker S3
• Ultimaker 3

The CC print cores are compatible with Ultimaker printers and peripherals that have abrasive-resistant feeders. These are:

• Ultimaker S5
• Ultimaker S3

More information on why the CC print core is not compatible with the Ultimaker 3 can be read here.

Tip: The Ultimaker S5 Material Station uses abrasive-resistant feeders in all material bays.