<s>
The	O
"	O
filaments	B-Device
evaluation	I-Device
protocol	I-Device
"	O
(	O
FEP	O
)	O
is	O
a	O
protocol	O
developed	O
to	O
establish	O
the	O
characteristics	O
and	O
qualities	O
of	O
materials	O
used	O
in	O
FDM/FFF	O
3D	O
printing	O
.	O
</s>
