<s>
Seamless3d	B-Application
is	O
an	O
open-source	B-Application
3D	O
modeling	O
software	O
available	O
under	O
the	B-License
MIT	I-License
license	I-License
.	O
</s>
<s>
The	O
models	O
for	O
the	O
virtual	O
reality	O
world	O
Techuelife	O
Island	O
were	O
created	O
using	O
Seamless3d	B-Application
technology	O
.	O
</s>
<s>
Many	O
Seamless3d	B-Application
tutorials	O
have	O
been	O
translated	O
to	O
French	O
.	O
</s>
<s>
In	O
2001	O
Seamless3d	B-Application
was	O
made	O
freely	O
available	O
online	O
as	O
a	O
C++	B-Language
library	O
.	O
</s>
<s>
The	O
library	O
centered	O
on	O
the	O
creation	O
of	O
animated	O
single	O
mesh	B-Algorithm
avatars	B-Application
for	O
the	O
Blaxxun	O
3d	O
multi-user	O
platform	O
.	O
</s>
<s>
It	O
allowed	O
the	O
user	O
to	O
create	O
smooth	O
shaped	O
triangle	B-Algorithm
meshes	I-Algorithm
and	O
join	O
different	O
meshes	B-Algorithm
together	O
with	O
tangent	O
matching	O
surfaces	O
at	O
the	O
joining	O
edges	O
using	O
a	O
C++	B-Language
compiler	O
.	O
</s>
<s>
By	O
February	O
2003	O
Seamless3d	B-Application
had	O
been	O
transformed	O
into	O
a	O
GUI	O
based	O
3d	O
modelling	O
application	O
with	O
a	O
file	O
format	O
designed	O
around	O
VRML	B-Application
format	O
.	O
</s>
<s>
This	O
allowed	O
Seamless3d	B-Application
files	O
to	O
be	O
edited	O
using	O
VrmlPad	O
utilising	O
its	O
syntax	O
checking	O
.	O
</s>
<s>
In	O
2005	O
a	O
script	B-Language
compiler	O
was	O
developed	O
and	O
in	O
May	O
2006	O
Seamless3d	B-Application
was	O
able	O
to	O
act	O
as	O
a	O
web	O
browser	O
for	O
seamless3d	B-Application
files	O
containing	O
complex	O
scripted	O
animations	O
.	O
</s>
<s>
In	O
2006	O
a	O
set	O
of	O
specialised	O
nodes	O
for	O
creating	O
simple	O
shapes	O
such	O
as	O
:	O
Sphere	O
,	O
Cylinder	O
,	O
Cone	O
,	O
Torus	O
,	O
Box	O
and	O
Bézier	O
Lathe	O
were	O
added	O
to	O
make	O
Seamless3d	B-Application
easier	O
for	O
the	O
novice	O
to	O
quickly	O
make	O
simple	O
models	O
.	O
</s>
<s>
Towards	O
the	O
end	O
of	O
2007	O
NURBS	B-Algorithm
were	O
introduced	O
for	O
making	O
shapes	O
and	O
for	O
synthesizing	O
sounds	O
.	O
</s>
<s>
In	O
2010	O
NURBS	B-Algorithm
control	O
point	O
animation	O
,	O
NURBS	B-Algorithm
stitching	O
and	O
a	O
number	O
of	O
other	O
features	O
to	O
aid	O
making	O
movies	O
were	O
introduced	O
.	O
</s>
<s>
Seamless3d	B-Application
can	O
be	O
used	O
as	O
a	O
mesh	B-Algorithm
editor	O
and	O
an	O
animator	O
,	O
however	O
its	O
key	O
feature	O
is	O
its	O
build	O
node	O
technology	O
.	O
</s>
<s>
NSPE	O
allows	O
the	O
user	O
to	O
hand	O
edit	O
the	O
polygons	O
on	O
NURBS	B-Algorithm
surfaces	I-Algorithm
.	O
</s>
<s>
This	O
includes	O
being	O
able	O
to	O
drag	O
the	O
vertices	O
anywhere	O
along	O
the	O
NURBS	B-Algorithm
surface	I-Algorithm
as	O
well	O
as	O
join	O
the	O
vertices	O
together	O
,	O
break	O
the	O
vertices	O
apart	O
and	O
color	O
them	O
.	O
</s>
<s>
NSPE	O
has	O
a	O
significant	O
advantage	O
over	O
simply	O
converting	O
a	O
NURBS	B-Algorithm
surface	I-Algorithm
to	O
a	O
polygon	B-Algorithm
mesh	I-Algorithm
for	O
editing	O
because	O
NSPE	O
lets	O
the	O
user	O
be	O
able	O
continue	O
to	O
modify	O
the	O
NURBS	B-Algorithm
surface	I-Algorithm
for	O
the	O
hand	O
edited	O
polygon	O
structure	O
.	O
</s>
<s>
Because	O
NSPE	O
ensures	O
that	O
when	O
a	O
polygon	O
's	O
vertex	O
is	O
dragged	O
it	O
will	O
always	O
be	O
on	O
the	O
NURBS	B-Algorithm
surface	I-Algorithm
,	O
NSPE	O
greatly	O
helps	O
the	O
user	O
to	O
avoid	O
unintentionally	O
changing	O
the	O
shape	O
of	O
the	O
model	O
when	O
optimizing	O
for	O
real	O
time	O
animation	O
.	O
</s>
<s>
By	O
including	O
a	O
FuseSurface	O
feature	O
designed	O
for	O
fusing	O
2	O
NURBS	B-Algorithm
surfaces	I-Algorithm
together	O
,	O
Seamless3d	B-Application
allows	O
for	O
the	O
creation	O
of	O
smooth	O
continuous	O
curvy	O
models	O
made	O
from	O
multiple	O
NURBS	B-Algorithm
surfaces	I-Algorithm
.	O
</s>
<s>
Seamless3d	B-Application
has	O
its	O
own	O
built	O
in	O
script	B-Language
compiler	O
which	O
compiles	O
SeamlessScript	O
(	O
a	O
very	O
fast	O
light	O
weight	O
scripting	B-Language
language	I-Language
)	O
into	O
native	O
machine	O
code	O
.	O
</s>
<s>
SeamlessScript	O
is	O
designed	O
to	O
look	O
and	O
feel	O
a	O
lot	O
like	O
JavaScript	O
while	O
being	O
able	O
to	O
be	O
compiled	O
by	O
a	O
standard	O
C++	B-Language
compiler	O
.	O
</s>
<s>
This	O
allows	O
the	O
user	O
to	O
develop	O
complex	O
animation	O
sequences	O
using	O
a	O
C++	B-Language
IDE	O
which	O
gives	O
the	O
user	O
access	O
to	O
professional	O
debugging	O
aids	O
such	O
as	O
single	O
step	O
execution	O
.	O
</s>
<s>
Seamless3d	B-Application
format	O
(	O
smls	O
)	O
is	O
a	O
text-based	O
human	O
readable	O
format	O
with	O
some	O
aspects	O
common	O
to	O
VRML	B-Application
.	O
</s>
<s>
The	O
Multi-User	O
Seamless3d	B-Application
chat	O
server	O
designed	O
for	O
3D	O
World	O
Wide	O
Web	O
browsing	O
is	O
open	O
source	O
under	O
the	B-License
MIT	I-License
license	I-License
and	O
can	O
be	O
compiled	O
for	O
both	O
Linux	O
and	O
Windows	O
.	O
</s>
<s>
Currently	O
the	O
Seamless3d	B-Application
modeller	O
is	O
used	O
as	O
the	O
3D	O
chat	O
client	O
.	O
</s>
<s>
An	O
online	O
Seamless3d	B-Application
chat	O
server	O
has	O
been	O
in	O
continuous	O
service	O
since	O
April	O
2009	O
.	O
</s>
<s>
The	O
general	O
public	O
can	O
freely	O
use	O
it	O
for	O
their	O
own	O
custom	O
made	O
worlds	O
and	O
avatars	B-Application
.	O
</s>
