About this 3D model

simple print nozzle 0.4 layer 0.2 Layer 1 and 2 in color red (signal red) Layer 3 and 4 in color black Layer 5 and 6 in yellow color (traffic yellow) simple pressure nozzle 0.4 layer 0.2 Layer 1 and 2 in red (signal red) Layer 3 and 4 in black Layer 5 and 6 in yellow (traffic yellow)