STEP Index Software

Try it yourself

Download the STEP Index client and server software and build websites with your own data. See our Quick Start Guide for details.

These tools use a custom, simple XML format.

Release: Alpha 7 (2013-05-17)

The client is Javascript, released under the Client License Agreement, which allows you to use, copy, or modify it for your own projects.

Client - Javascript

The authoring tools transform STEP files into XML data for use with the client in a browser. By clicking the download links below you agree to the Author Tools License Agreement. For more details about the export_product_asm tool, please see its manual page.

Updates

2013-05-17: Updated to faceter to be more robust.
2013-03-25: Major improvments to faceter. Added constructive geometry curves to the generated data.
2012-12-19: Updated authoring code to use multiple threads when processing the STEP data, improving performance.
2012-12-10: Updated client and authoring code to be more robust with difficult geometry.
2012-10-24: Added documentation of the XML format
2012-08-14: Client update: Added picking of the geometry. Moved the edit links functionality to the context menu.
2012-08-06: Alpha 3 release. Updated STEP part files to use product name instead of entity instance ID as the file name. Updated STEP-NC code to incrementally load.
2012-07-24: Several fixes to client user interface. Improved performance when loading files. Menu item are now selected, and the menu is dismissed, when the user clicks outside the menu. Added visual feedback for selected (outlined) items.
2012-07-10: Alpha 2 release. Updated authoring tools to currectly handle assemblies with mixed units. This fixes several problems with the IFV data.
2012-07-06: Alpha 1 release. Incremental loading, context menu, and other user interface improvments.
2012-04-25: First STEP assembly viewing capability.

Use the STEP Index software with STEP assemblies in any WebGL browser, such as Chrome, Firefox, Safari , or Opera. Load and investigate large assemblies, view 3D geometry, and download component STEP files for use in other systems. Start exploring with the samples below!

This work is part of the DARPA-sponsored National Simulation Service project.

See the new Javascript environment in the new edition of the STEP file format.

RC Car Sample

RC Car model data created by Vanderbilt University's META-X tools. This is a large data set, and includes some complex geometry. (the STEP data is over 100MB) so some components may take a while to load.

RC Car full model
(fast loading)

Vehicle Chassis
(slow loading)

Front shock absorber

Engine assembly

Front wheel assembly

IFV Sample

Vehicle data created by Vanderbilt University's META-X tools. Start with the several saved views and a subcomponent view shown below. This is a large data set (the STEP data is over 250MB) so some components may take a while to load.

IFV
(slow loading)

Troop Compartment
(slow loading)

Default View
(medium load time)

Wheel Hub
(fast loading)

Wheel Rim
(fast loading)

Empty Model
(fast loading)

No geometry is loaded. Use context menu to load parts.

Cutting Tool Assemblies

Some tool assemblies containing an ISCAR cutter and a Sandvik holder. These were used in the recent Machining Accuracy Demonstration at KTH in Stockholm.

Cutting Tool Assembly

Cutting Tool Assembly with Holder

Two Cycle Engine

A two-cycle engine model with wonderful internal detail made by Tom Kirkup and available from his GrabCAD page. Saved views showing some of the detail in the model.

Exterior Details
(slow loading)