<s>
VariCAD	B-Algorithm
is	O
a	O
computer	B-Application
program	I-Application
for	O
3D/2D	O
CAD	B-Application
and	O
mechanical	O
engineering	O
which	O
has	O
been	O
developed	O
since	O
1988	O
in	O
the	O
Czech	O
Republic	O
.	O
</s>
<s>
VariCAD	B-Algorithm
runs	O
on	O
Windows	B-Application
and	O
Linux	B-Application
.	O
</s>
<s>
VariCAD	B-Algorithm
provides	O
support	O
for	O
parameters	O
and	O
geometric	O
constraints	O
,	O
tools	O
for	O
shells	O
,	O
pipelines	O
,	O
sheet	O
metal	O
unbending	O
and	O
crash	O
tests	O
,	O
assembly	O
support	O
,	O
mechanical	O
part	O
and	O
symbol	O
libraries	O
,	O
calculations	O
,	O
bills	O
of	O
materials	O
,	O
and	O
more	O
.	O
</s>
<s>
VariCAD	B-Algorithm
allows	O
editing	O
of	O
DWG	O
files	O
without	O
conversion	O
using	O
the	O
Open	O
Design	O
Alliance	O
DWGdirect	O
libraries	O
.	O
</s>
<s>
VariCAD	B-Algorithm
support	O
the	O
ISO	O
industrial	O
product	O
data	B-General_Concept
exchange	I-General_Concept
format	I-General_Concept
STEP/STP	O
.	O
</s>
<s>
A	O
list	O
of	O
notable	O
supported	O
file	O
formats	O
is	O
listed	O
in	O
the	O
Comparison	B-Algorithm
of	I-Algorithm
CAD	I-Algorithm
software	I-Algorithm
article	O
.	O
</s>
<s>
VariCAD	B-Algorithm
is	O
available	O
for	O
both	O
Windows	B-Application
and	O
for	O
some	O
time	O
on	O
the	O
Linux	B-Application
OS	I-Application
.	O
</s>
<s>
VariCAD	B-Algorithm
is	O
available	O
in	O
English	O
,	O
German	O
,	O
Portuguese	O
and	O
Japanese	O
languages	O
.	O
</s>
<s>
VariCAD	B-Algorithm
Viewer	O
is	O
a	O
free	O
proprietary	B-Application
computer	B-Application
program	I-Application
for	O
viewing	O
of	O
3D/2D	O
CAD	B-Application
files	I-Application
.	O
</s>
<s>
It	O
runs	O
on	O
the	O
Windows	B-Application
and	O
Linux	B-Application
operating	I-Application
systems	I-Application
.	O
</s>
<s>
Notable	O
supported	O
file	O
formats	O
are	O
listed	O
in	O
the	O
Comparison	O
of	O
CAD	B-Application
,	O
CAM	O
and	O
CAE	O
file	O
viewers	O
article	O
.	O
</s>
