Printing (shown sample): - Ultimaker 3 with: extruder 1 AA 0.4, material Ultimaker Black PLA, extruder 2 AA 0.4, material Ultimaker White Breakaway, - normal resolution (0.15mm), - no supports - stadard UM profile with following modifications: BUILD PLATE ADHESION Build Plate Adhesion Type Raft Build Plate Adhasion Extruder Extruder 2 Raft Extra Margin 7mm Raft Air Gap 0.0mm