<s>
Facebook	B-Protocol
3D	I-Protocol
Posts	I-Protocol
was	O
a	O
feature	O
on	O
the	O
social	O
networking	O
website	O
Facebook	B-Application
.	I-Application
</s>
<s>
It	O
was	O
first	O
enabled	O
on	O
October	O
11	O
,	O
2017	O
by	O
introducing	O
a	O
new	O
native	O
3D	O
media	O
type	O
in	O
Facebook	B-Application
News	I-Application
Feed	I-Application
.	O
</s>
<s>
Initially	O
the	O
users	O
could	O
only	O
post	O
3D	O
objects	O
from	O
Oculus	B-Application
Medium	I-Application
and	O
marker	O
drawings	O
from	O
Spaces	O
directly	O
to	O
Facebook	B-Application
as	O
fully	O
interactive	O
3D	O
objects	O
.	O
</s>
<s>
The	O
feature	O
was	O
available	O
for	O
desktops	O
and	O
mobile	O
phones	O
that	O
support	O
the	O
underlying	O
WebGL	B-Library
API	O
.	O
</s>
<s>
On	O
February	O
20	O
,	O
2018	O
Facebook	B-Application
added	O
support	O
for	O
the	O
industry-standard	O
glTF	B-Language
2.0	O
file	O
format	O
for	O
Facebook	B-Protocol
3D	I-Protocol
posts	I-Protocol
.	O
</s>
<s>
This	O
allowed	O
artists	O
and	O
creators	O
to	O
share	O
3D	O
content	O
on	O
Facebook	B-Application
from	O
a	O
variety	O
of	O
sources	O
.	O
</s>
<s>
To	O
make	O
3D	O
Posts	O
glTF	B-Language
2.0	O
compliant	O
,	O
the	O
support	O
for	O
textures	O
,	O
lighting	O
,	O
and	O
physically	O
based	O
rendering	O
techniques	O
was	O
implemented	O
.	O
</s>
<s>
3D	O
posts	O
also	O
supported	O
unlit	O
workflows	O
for	O
photogrammetry	B-Application
and	O
stylized	O
art	O
.	O
</s>
<s>
Facebook	B-Application
has	O
since	O
disallowed	O
users	O
from	O
sharing	O
3D	O
objects	O
.	O
</s>
<s>
There	O
were	O
four	O
ways	O
to	O
get	O
a	O
3D	O
asset	O
to	O
appear	O
in	O
a	O
Facebook	B-Application
Post	I-Application
:	O
</s>
<s>
Drag	O
and	O
drop	O
an	O
asset	O
into	O
Facebook	B-Application
's	O
Post	O
composer	O
and	O
publish	O
it	O
.	O
</s>
<s>
Share	O
a	O
link	O
to	O
a	O
web	O
page	O
that	O
has	O
Facebook	B-Application
Open	O
Graph	O
Sharing	O
metadata	O
tags	O
.	O
</s>
<s>
GLB	O
files	O
(	O
binary	O
form	O
of	O
glTF	B-Language
)	O
were	O
required	O
to	O
be	O
loaded	O
in	O
Facebook	B-Protocol
3D	I-Protocol
posts	I-Protocol
.	O
</s>
<s>
These	O
files	O
could	O
be	O
obtained	O
by	O
converting	O
from	O
other	O
files	O
formats	O
such	O
as	O
FBX	B-Application
or	O
non-binary	O
glTF	B-Language
.	O
</s>
<s>
GLB	O
files	O
could	O
also	O
be	O
directly	O
exported	O
from	O
a	O
variety	O
of	O
3D	O
editors	O
,	O
such	O
as	O
Blender	B-Application
,	O
Vectary	O
,	O
Autodesk	B-Language
3ds	I-Language
Max	I-Language
(	O
using	O
Verge3D	B-Language
exporter	O
)	O
,	O
Autodesk	B-Language
Maya	I-Language
,	O
Modo	B-Application
,	O
Microsoft	B-Application
Paint	I-Application
3D	I-Application
,	O
Substance	O
Painter	O
and	O
others	O
.	O
</s>
