IGESEXPORT Conversion Table

The following table lists the AutoCAD entities tabulated against the corresponding IGES entities they are translated to.

DWG to IGES Conversion Table

AutoCAD Entity

IGES Entity

Type

Form

Name

3D Face

143

Boundary surface

3D Solid

186

Manifold solid BRep object (MSBO)

Arc

100

0

Circular arc

Arc with thickness

143

0

Boundary surface

Block Reference

408

Singular subfigure instance

Body

128/144

Rational B-spline surface, trimmed surface

Circle

100

0

Circular arc

Circle with thickness

143

0

Boundary surface

Color

314

 

Color definition

Ellipse

104

1

Ellipse

Layer

406

3

Level function property

Line

110

0

Line

Mline

110,100

Exploded into lines and circular arcs

Point

116

Point

Polyface mesh

143

Bounded surface

Polygon mesh

143

Bounded surface

Polyline 2D

106

 

Rational B-spline curve

Polyline with thickness

143

Bounded surface

Polyline 3D

106

Rational B-spline curve

Ray

110

Line

Region

143

Boundary surface

Spline/Helix

126

 

Rational B-spline surface

SubD mesh - water tight

186

 

Manifold solid BRep object (MSBO)

Surface

143

Boundary surface

Trace

143

0

Boundary surface

Xline

110

Line

Xref

408

Singular subfigure instance