<s>
Realsoft	B-Device
3D	I-Device
is	O
a	O
modeling	O
and	O
raytracing	O
application	O
created	O
by	O
Realsoft	B-Device
Graphics	O
Oy	O
.	O
</s>
<s>
Originally	O
called	O
Real	O
3D	O
,	O
it	O
was	O
developed	O
for	O
the	O
Amiga	B-Device
computer	I-Device
and	O
later	O
also	O
for	O
Linux	B-Application
,	O
Irix	B-Operating_System
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
and	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
Juha	O
's	O
brother	O
Vesa	O
joined	O
the	O
development	O
and	O
abandoned	O
his	O
university	O
career	O
to	O
start	O
the	O
Realsoft	B-Device
company	O
in	O
1989	O
.	O
</s>
<s>
The	O
first	O
commercial	O
Real	O
3D	O
version	O
was	O
released	O
on	O
Amiga	B-Device
.	O
</s>
<s>
It	O
used	O
IFF	B-Device
REAL	O
for	O
its	O
objects	O
.	O
</s>
<s>
It	O
featured	O
constructive	O
solid	O
geometry	O
,	O
support	O
for	O
smooth	O
curved	O
quadric	O
surfaces	O
and	O
a	O
ray-tracer	O
for	O
photo	O
realistic	B-Algorithm
rendering	I-Algorithm
.	O
</s>
<s>
It	O
was	O
the	O
last	O
version	O
derived	O
from	O
the	O
original	O
Real3D	B-Device
design	O
.	O
</s>
<s>
It	O
took	O
full	O
advantage	O
of	O
the	O
multi	O
tasking	O
abilities	O
of	O
the	O
Amiga	B-Device
-	O
allowing	O
the	O
user	O
to	O
continue	O
editing	O
a	O
scene	O
on	O
another	O
window	O
while	O
it	O
rendered	O
.	O
</s>
<s>
Microsoft	B-Application
Windows	I-Application
version	O
was	O
released	O
in	O
1994	O
.	O
</s>
<s>
Realsoft	B-Device
had	O
started	O
a	O
new	O
major	O
development	O
project	O
around	O
1994	O
.	O
</s>
<s>
Amiga	B-Device
version	O
3.5	O
,	O
which	O
is	O
also	O
the	O
last	O
version	O
for	O
this	O
system	O
,	O
is	O
now	O
freely	O
available	O
by	O
AmiKit	O
.	O
</s>
<s>
Beginning	O
with	O
this	O
release	O
,	O
Realsoft	B-Device
renamed	O
the	O
product	O
to	O
Realsoft	B-Device
3D	I-Device
.	O
</s>
<s>
It	O
was	O
released	O
on	O
multiple	O
platforms	O
,	O
including	O
Microsoft	B-Application
Windows	I-Application
,	O
Linux	B-Application
and	O
SGI	B-Operating_System
Irix	I-Operating_System
.	O
</s>
<s>
Linux	B-Application
(	O
Intel	O
,	O
AMD	O
)	O
and	O
SGI	B-Operating_System
Irix	I-Operating_System
(	O
MIPS	O
)	O
versions	O
were	O
released	O
in	O
2001-07-24	O
.	O
</s>
<s>
4.5	O
was	O
released	O
in	O
2002-10-23	O
,	O
which	O
introduced	O
for	O
example	O
caustics	O
and	O
global	B-Algorithm
illumination	I-Algorithm
rendering	O
features	O
.	O
</s>
<s>
Linux	B-Application
version	O
was	O
released	O
in	O
2002-11-03	O
.	O
</s>
<s>
Irix	B-Operating_System
version	O
of	O
4.5/SP1	O
(	O
build	O
26.41b	O
)	O
was	O
released	O
in	O
2003-06-03	O
.	O
</s>
<s>
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
version	O
was	O
released	O
in	O
2006-12-18	O
.	O
</s>
<s>
Irix	B-Operating_System
version	O
was	O
released	O
in	O
2007-12-16	O
.	O
</s>
<s>
Linux	B-Application
version	O
was	O
released	O
in	O
2008-07-01	O
.	O
</s>
<s>
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
version	O
was	O
released	O
in	O
2008-11-11	O
.	O
</s>
<s>
It	O
was	O
released	O
on	O
December	O
7	O
,	O
2009	O
for	O
32-bit	O
and	O
64-bit	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
