<s>
of	O
digital	O
product	O
definition	O
data	O
(	O
also	O
known	O
as	O
model-based	O
definition	O
)	O
,	O
which	O
pertains	O
to	O
CAD	B-Application
software	I-Application
and	O
those	O
who	O
use	O
CAD	B-Application
software	I-Application
to	O
create	O
the	O
product	O
definition	O
within	O
the	O
3D	B-Application
model	O
.	O
</s>
<s>
ASME	O
issued	O
the	O
first	O
version	O
of	O
this	O
industrial	O
standard	O
on	O
Aug	O
15	O
,	O
2003	O
as	O
ASME	B-Application
Y14.41-2003	I-Application
.	O
</s>
<s>
The	O
latest	O
revision	O
of	O
ASME	B-Application
Y14.41	I-Application
was	O
issued	O
on	O
Jan	O
23	O
,	O
2019	O
as	O
ASME	O
Y14.41-2019	O
.	O
</s>
<s>
ASME	B-Application
Y14.41	I-Application
was	O
born	O
of	O
the	O
need	O
to	O
utilize	O
Computer-aided	B-Application
design	I-Application
(	O
CAD	B-Application
)	O
data	O
as	O
a	O
manufacturing	O
and/or	O
inspection	O
source	O
.	O
</s>
<s>
In	O
the	O
late	O
1980s	O
and	O
early	O
1990s	O
,	O
solid	O
modeling	O
and	O
CAD	B-Application
were	O
becoming	O
important	O
tools	O
for	O
engineers	O
looking	O
to	O
create	O
and	O
define	O
increasingly	O
complex	O
geometry	O
.	O
</s>
<s>
For	O
example	O
,	O
ergonomic	O
and	O
aerodynamic	O
contoured	O
surfaces	O
were	O
extremely	O
difficult	O
to	O
define	O
on	O
engineering	B-Architecture
drawings	I-Architecture
.	O
</s>
<s>
Since	O
various	O
companies	O
in	O
industries	O
including	O
aerospace	O
,	O
automotive	O
,	O
agricultural	O
,	O
and	O
heavy	O
equipment	O
had	O
already	O
begun	O
utilizing	O
the	O
CAD	B-Application
data	O
for	O
industrial	O
purposes	O
without	O
a	O
standard	O
,	O
several	O
definitions	O
needed	O
to	O
be	O
established	O
as	O
the	O
universal	O
interpretation	O
.	O
</s>
<s>
The	O
standard	O
was	O
written	O
to	O
be	O
independent	O
of	O
any	O
specific	O
CAD	B-Application
software	I-Application
implementation	O
.	O
</s>
<s>
ASME	B-Application
Y14.41	I-Application
served	O
the	O
basis	O
for	O
the	O
international	O
standard	O
ISO	O
16792:2006	O
Technical	O
product	O
documentation	O
—	O
Digital	O
product	O
definition	O
data	O
practices	O
.	O
</s>
<s>
Both	O
standards	O
focus	O
on	O
the	O
presentation	O
of	O
Geometric	B-Application
dimensioning	I-Application
and	I-Application
tolerancing	I-Application
(	O
GD&T	B-Application
)	O
together	O
with	O
the	O
geometry	O
of	O
the	O
product	O
.	O
</s>
<s>
In	O
addition	O
,	O
ASME	B-Application
Y14.41	I-Application
was	O
revised	O
to	O
incorporate	O
changes	O
based	O
on	O
the	O
needs	O
of	O
industry	O
and	O
to	O
reflect	O
changes	O
made	O
to	O
"	O
ASME	O
Y14.5-2009	O
Dimensioning	O
and	O
Tolerancing	O
"	O
.	O
</s>
<s>
This	O
material	O
is	O
being	O
included	O
in	O
"	O
ASME	O
Y14.100	O
Engineering	B-Architecture
Drawing	I-Architecture
Practices	O
"	O
,	O
as	O
it	O
has	O
broader	O
applicability	O
than	O
is	O
appropriate	O
for	O
ASME	B-Application
Y14.41	I-Application
.	O
</s>
<s>
The	O
standard	O
addresses	O
how	O
to	O
organize	O
and	O
present	O
product	O
definition	O
data	O
using	O
CAD	B-Application
based	O
data	O
.	O
</s>
<s>
These	O
portions	O
cover	O
the	O
practices	O
,	O
requirements	O
,	O
and	O
interpretation	O
of	O
the	O
CAD	B-Application
data	O
when	O
there	O
is	O
no	O
engineering	B-Architecture
drawing	I-Architecture
graphic	O
sheet	O
.	O
</s>
<s>
All	O
design	O
requirements	O
are	O
indicated	O
in	O
3D	B-Application
space	O
and	O
are	O
associated	O
to	O
the	O
model	O
geometry	O
.	O
</s>
<s>
These	O
portions	O
cover	O
cases	O
when	O
both	O
a	O
CAD	B-Application
model	I-Application
and	O
an	O
engineering	B-Architecture
drawing	I-Architecture
graphic	O
sheet	O
are	O
both	O
used	O
.	O
</s>
<s>
The	O
ASME	B-Application
Y14.41	I-Application
Standard	O
is	O
for	O
any	O
company	O
with	O
engineering	O
,	O
manufacturing	O
,	O
or	O
inspection	O
practices	O
that	O
contain	O
or	O
utilize	O
CAD	B-Application
data	O
.	O
</s>
<s>
If	O
a	O
company	O
designs	O
or	O
creates	O
mock-ups	O
in	O
3D	B-Application
,	O
then	O
ASME	B-Application
Y14.41	I-Application
is	O
the	O
standard	O
of	O
choice	O
for	O
universal	O
interpretation	O
and	O
industrial	O
practices	O
.	O
</s>
<s>
If	O
a	O
company	O
employs	O
CAD	B-Application
,	O
computer-aided	O
manufacturing	O
(	O
CAM	O
)	O
or	O
computer-aided	O
inspection	O
(	O
CAI	O
)	O
,	O
such	O
as	O
coordinate	O
measuring	O
machine	O
(	O
CMM	O
)	O
inspection	O
,	O
then	O
ASME	B-Application
Y14.41	I-Application
is	O
the	O
standard	O
of	O
choice	O
for	O
universal	O
interpretation	O
and	O
industrial	O
practices	O
.	O
</s>
