CAD Exchanger offers the following products related to writing files in STEP format:

IGES to STEP converter
     CAD Exchanger can read IGES files and convert them to STEP files.

ACIS-SAT to STEP converter
     CAD Exchanger can read ACIS-SAT files and convert them to STEP files.

BRep to STEP converter
     CAD Exchanger can read BRep files and convert them to STEP files.

STEP to STEP converter
     CAD Exchanger can read STEP files and convert them back to STEP format (e.g. modifying used shape representation such as MANIFOLD_SOLID_BREP and SHELL_BASED_SURFACE.

Files in the STEP format typically have *.step and *.stp file name extensions.

STEP writer (exporter) supports the following scope of the STEP format:
-    Application Protocols AP203 and AP214
-    Elementary, NURBS and other geometry (including offsets, extrusions, revolutions, etc)
-    Assembly structures
-    Colors, names and layers attributes *
-    External file references
-    Validation properties (mass, center of gravity, dimensions, etc) *

STEP writer (exporter) offers the following user-defined options to fine tune writing process:
-    Preferred model representation (Manifold solid, Shell surfaces, curve set, facetted)

-    Model units

-    Header attributes (company, user name, etc)

 

 

(*) Some attributes may not be visually noticeable but are stored internally and can be exported to a relevant format.