<s>
OctoPrint	B-Device
is	O
an	O
open	O
source	O
3D	O
printer	O
controller	O
application	O
,	O
which	O
provides	O
a	O
web	O
interface	O
for	O
the	O
connected	O
printers	O
.	O
</s>
<s>
OctoPrint	B-Device
was	O
created	O
by	O
Gina	O
Häußge	O
in	O
2012	O
,	O
who	O
initially	O
developed	O
the	O
software	O
to	O
support	O
her	O
first	O
3D	O
printer	O
.	O
</s>
<s>
OctoPrint	B-Device
was	O
forked	O
from	O
Cura	B-Device
,	O
and	O
is	O
available	O
under	O
the	O
same	O
AGPL	O
license	O
.	O
</s>
<s>
Development	O
is	O
hosted	O
on	O
GitHub	B-Application
.	O
</s>
<s>
Between	O
August	O
2014	O
and	O
April	O
2016	O
,	O
Spanish	O
smartphone	O
manufacturer	O
BQ	O
financially	O
supported	O
OctoPrint	B-Device
development	O
by	O
employing	O
Gina	O
Häußge	O
full	O
time	O
to	O
work	O
on	O
it	O
.	O
</s>
<s>
,	O
OctoPrint	B-Device
Patreon	O
campaign	O
receives	O
over	O
$6600	O
per	O
month	O
from	O
over	O
2200	O
backers	O
.	O
</s>
<s>
Starting	O
with	O
OctoPrint	B-Device
version	O
1.4.0	O
released	O
on	O
March	O
4	O
,	O
2020	O
,	O
OctoPrint	B-Device
is	O
compatible	O
with	O
Python	B-Language
3	O
.	O
</s>
<s>
At	O
the	O
time	O
of	O
the	O
release	O
,	O
most	O
OctoPrint	B-Device
plugins	O
were	O
already	O
compatible	O
with	O
Python	B-Language
3	O
.	O
</s>
<s>
In	O
September	O
2018	O
,	O
a	O
vulnerability	O
was	O
publicized	O
at	O
the	O
Internet	B-Application
Storm	I-Application
Center	I-Application
of	O
SANS	O
Institute	O
because	O
"	O
thousands	O
"	O
of	O
users	O
misconfigured	O
their	O
OctoPrint	B-Device
interface	O
so	O
it	O
was	O
available	O
to	O
the	O
Internet	O
without	O
a	O
login	O
.	O
</s>
<s>
Solutions	O
that	O
still	O
enable	O
worldwide	O
access	O
to	O
a	O
printer	O
include	O
using	O
a	O
commercial	O
cloud	O
printing	O
interface	O
like	O
AstroPrint	B-Protocol
,	O
Polar	B-Device
Cloud	I-Device
,	O
or	O
3DprinterOS	O
as	O
well	O
as	O
the	O
OctoPrint	B-Device
Anywhere	O
plugin	O
or	O
standard	O
VPN	B-Application
installations	O
.	O
</s>
<s>
OctoPrint	B-Device
provides	O
a	O
web	O
interface	O
for	O
controlling	O
3D	O
printers	O
,	O
allowing	O
the	O
user	O
to	O
start	O
a	O
print	O
job	O
by	O
sending	O
G-code	O
to	O
a	O
3D	O
printer	O
connected	O
via	O
USB	O
.	O
</s>
<s>
OctoPrint	B-Device
monitors	O
the	O
status	O
of	O
the	O
print	O
job	O
,	O
as	O
well	O
as	O
the	O
printer	O
itself	O
,	O
including	O
the	O
temperature	O
of	O
the	O
print	O
head	O
(	O
hot	O
end	O
)	O
and	O
the	O
temperature	O
of	O
the	O
bed	O
,	O
if	O
the	O
bed	O
on	O
the	O
printer	O
is	O
heated	O
.	O
</s>
<s>
OctoPrint	B-Device
can	O
also	O
show	O
the	O
output	O
of	O
a	O
connected	O
webcam	O
in	O
order	O
to	O
monitor	O
the	O
state	O
of	O
the	O
print	O
,	O
and	O
can	O
visualize	O
the	O
G-code	O
in	O
sync	O
with	O
the	O
print	O
job	O
,	O
or	O
asynchronously	O
.	O
</s>
<s>
OctoPrint	B-Device
has	O
a	O
plugin	O
system	O
,	O
allowing	O
users	O
to	O
extend	O
functionality	O
.	O
</s>
<s>
These	O
include	O
advanced	O
timelapse	O
videos	O
that	O
trigger	O
by	O
layer	O
and	O
position	O
the	O
model	O
and	O
print	O
head	O
properly	O
,	O
3D	O
design	O
collection	O
sites	O
such	O
as	O
MyMiniFactory	O
,	O
STL.garden	O
,	O
integrating	O
OctoPrint	B-Device
with	O
Android	O
apps	O
and	O
Android	B-Application
Wear	I-Application
modules	O
,	O
a	O
Pebble	B-Device
smartwatch	I-Device
,	O
software	O
integrations	O
with	O
printers	O
such	O
as	O
BigBox3D	O
,	O
MakerGear	O
M3	O
,	O
and	O
Robo	O
3D	O
printers	O
,	O
and	O
both	O
software	O
and	O
hardware	O
integrations	O
with	O
Prusa	O
i3	O
,	O
Proforge	O
2S	O
,	O
and	O
the	O
industrial-level	O
GEWO	O
HTP	O
260	O
and	O
AON3D	O
printers	O
.	O
</s>
<s>
OctoPrint	B-Device
can	O
run	O
on	O
a	O
variety	O
of	O
systems	O
,	O
but	O
is	O
commonly	O
run	O
on	O
Raspberry	B-Operating_System
Pi	I-Operating_System
.	O
</s>
<s>
A	O
distribution	O
called	O
OctoPi	O
,	O
based	O
on	O
the	O
Raspbian	B-Application
OS	O
for	O
Raspberry	B-Operating_System
Pi	I-Operating_System
,	O
provides	O
a	O
pre-configured	O
version	O
of	O
OctoPrint	B-Device
along	O
with	O
an	O
mjpeg-streamer	O
support	O
for	O
webcams	O
.	O
</s>
<s>
OctoPrint	B-Device
recommends	O
using	O
the	O
Raspberry	B-Operating_System
Pi	I-Operating_System
3B	O
,	O
3B+	O
,	O
4B	O
,	O
or	O
the	O
Zero	O
2	O
and	O
specifically	O
warns	O
against	O
using	O
the	O
Raspberry	B-Operating_System
Pi	I-Operating_System
Zero	I-Operating_System
W	O
due	O
to	O
severe	O
performance	O
issues	O
observed	O
.	O
</s>
