<s>
Slic3r	B-Language
is	O
free	B-Application
software	I-Application
3D	O
slicing	O
engine	O
for	O
3D	O
printers	O
.	O
</s>
<s>
It	O
generates	O
G-code	O
from	O
3D	O
CAD	B-Application
files	I-Application
(	O
STL	O
or	O
OBJ	O
)	O
.	O
</s>
<s>
As	O
of	O
2013	O
,	O
about	O
half	O
of	O
the	O
3D	O
printers	O
tested	O
by	O
Make	O
Magazine	O
supported	O
Slic3r	B-Language
.	O
</s>
<s>
Prusa	O
Research	O
maintains	O
an	O
advanced	O
fork	O
optimized	O
for	O
the	O
Prusa	O
i3	O
series	O
called	O
PrusaSlicer	B-Language
.	O
</s>
