Comparing the appearance of the assemblies by SEM, the assembly printed with 1 mg/mL PVP (Figure ) is more packed that the one with 0.1 mg/mL PVP (Figure ). This suggests a positive correlation between the number of polymer coils grafting the gold surface and the close packing of the NPs. The effect of the laser power was also analyzed by decreasing from 14 to 8.6 mW. While a lower growth rate and increasing incubation time (Figure ), as well as a smaller size of the pattern at a fixed deposition time (Figure ) was observed upon decreasing the power (explained by a less intense temperature gradient) there were otherwise no notable differences.