PLA INFILL 20 % 0.1 layer height FIRST COLOR black, SECOND COLOR white change at layer 9 ( .1 layer height setting), 3D COLOR RED change at layer 14 ( .1 layer height settings), 4 th color blue change at layer 19 ( .1 layer height settings)5 th color yellow change at layer 24 ( .1 layer height settings), 6 th color black change at layer 29 ( .1 layer height settings), ENJOY!!