(a) Determining the wt. concentration for the creation of the different recipes (b) Neat PLA powder and the filament produced with this powder (c) 100 g (PLA): 20 g (AgNO3): 10 g (PEG), hereafter denoted as PLA/Ag/PEG (rec-01) powder and the filament produced with this powder (d) 100 g (PLA): 10 g (AgNO3): 5 g (PEG), hereafter denoted as PLA/Ag/PEG (rec-02) powder and the filament produced with this powder, (e) 100 g (PLA): 20 g (AgNO3): 10 g (PVP), hereafter denoted as PLA/Ag/PVP (rec-03) powder and the filament produced with this powder, (f) 100 g (PLA): 10 g (AgNO3): 5 g (PVP), hereafter denoted as PLA/Ag/PVP (rec-04) powder and the filament produced with this powder.