<s>
Tilt	B-Application
Brush	I-Application
is	O
a	O
room-scale	B-General_Concept
3D-painting	O
virtual-reality	B-Application
application	O
available	O
from	O
Google	B-Application
,	O
originally	O
developed	O
by	O
Skillman	O
&	O
Hackett	O
.	O
</s>
<s>
The	O
application	O
is	O
designed	O
for	O
6DoF	O
motion	O
interfaces	O
in	O
virtual	B-Application
reality	I-Application
.	O
</s>
<s>
Users	O
can	O
export	O
their	O
creations	O
of	O
room-scale	B-General_Concept
VR	O
pieces	O
in	O
.gltf	O
,	O
.fbx	O
,	O
.obj	O
,	O
.usd	O
,	O
.wrl	O
,	O
.stl	O
and	O
a	O
native	O
.json	O
format	O
.	O
</s>
<s>
Tilt	B-Application
Brush	I-Application
was	O
developed	O
by	O
Skillman	O
&	O
Hackett	O
,	O
and	O
was	O
in	O
2014	O
nominated	O
for	O
four	O
Proto	O
Awards	O
(	O
namely	O
:	O
"	O
Best	O
Interaction	O
Design	O
"	O
,	O
"	O
Most	O
Innovative	O
"	O
,	O
"	O
Best	O
Overall	O
Virtual	B-Application
Reality	I-Application
Application	O
"	O
,	O
and	O
"	O
Best	O
GUI	O
"	O
)	O
,	O
of	O
which	O
it	O
won	O
the	O
"	O
Best	O
GUI	O
"	O
award	O
.	O
</s>
<s>
Google	B-Application
acquired	O
Tilt	B-Application
Brush	I-Application
in	O
2015	O
,	O
as	O
announced	O
April	O
16	O
,	O
2015	O
.	O
</s>
<s>
Tilt	B-Application
Brush	I-Application
was	O
released	O
for	O
the	O
HTC	O
Vive	O
at	O
its	O
launch	O
on	O
April	O
5	O
,	O
2016	O
,	O
at	O
no	O
cost	O
when	O
pre-ordering	O
the	O
HTC	O
Vive	O
.	O
</s>
<s>
On	O
February	O
24	O
,	O
2017	O
,	O
Tilt	O
VR	O
announced	O
it	O
is	O
now	O
available	O
on	O
both	O
Oculus	B-Device
Rift	I-Device
and	O
Vive	O
.	O
</s>
<s>
In	O
the	O
Fast	O
Company	O
article	O
about	O
Tilt	B-Application
Brush	I-Application
,	O
one	O
of	O
the	O
creators	O
said	O
that	O
the	O
idea	O
of	O
drawing	O
in	O
3D	O
space	O
came	O
from	O
a	O
chess	O
game	O
prototype	O
:	O
“	O
There	O
was	O
a	O
happy	O
accident	O
.	O
</s>
<s>
Tilt	B-Application
Brush	I-Application
came	O
out	O
of	O
an	O
experiment	O
with	O
a	O
virtual	B-Application
reality	I-Application
chess	O
prototype	O
,	O
where	O
we	O
accidentally	O
started	O
painting	O
the	O
chess	O
pieces	O
in	O
the	O
air	O
,	O
and	O
it	O
was	O
incredible	O
”	O
.	O
</s>
<s>
In	O
the	O
earlier	O
versions	O
of	O
Tilt	B-Application
Brush	I-Application
,	O
it	O
was	O
only	O
possible	O
to	O
draw	O
on	O
two-dimensional	O
planes	O
.	O
</s>
<s>
On	O
January	O
26	O
,	O
2021	O
,	O
Google	B-Application
released	O
the	O
source	O
code	O
of	O
the	O
application	O
under	O
the	O
Apache	B-Application
2.0	I-Application
license	I-Application
on	O
GitHub	B-Application
.	O
</s>
<s>
Since	O
Google	B-Application
open-sourced	O
the	O
code	O
multiple	O
companies	O
and	O
individuals	O
have	O
contributed	O
to	O
its	O
further	O
development	O
:	O
</s>
<s>
Ars	O
Technica	O
and	O
other	O
sites	O
referred	O
to	O
Tilt	B-Application
Brush	I-Application
as	O
the	O
HTC	O
Vive	O
's	O
killer	O
app	O
,	O
praising	O
the	O
program	O
's	O
intuitive	O
interface	O
and	O
the	O
excitement	O
of	O
painting	O
in	O
three	O
dimensions	O
.	O
</s>
<s>
Chris	O
Suellentrop	O
of	O
The	O
New	O
York	O
Times	O
wrote	O
that	O
the	O
program	O
was	O
better	O
suited	O
for	O
beginners	O
than	O
more	O
engineering-oriented	O
experiences	O
like	O
Fantastic	B-Application
Contraption	I-Application
.	O
</s>
<s>
In	O
2018	O
,	O
Tilt	B-Application
Brush	I-Application
was	O
employed	O
for	O
the	O
first	O
time	O
in	O
mixed	O
reality	O
news	O
reporting	O
by	O
the	O
NBC	O
News	O
studio	O
NBC	O
Left	O
Field	O
.	O
</s>
