Downloading Open STEP Viewer 25.6.0 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available.
We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. This free software is a product of oda. The software lies within Photo & Graphics Tools, more precisely 3D Design.
From the developer:
Open STEP Viewer is a professional-grade STEP viewer. It can detect clashes in a model. Measures distances between points with snapping. It has full 3D visualization with zoom, pan, 3D rotate and visual styles. It contains TreeView plug-in for SDAI model exploration and debugging.
You may want to check out more software, such as IDA-STEP, File Viewer Lite or MailsDaddy Free MSG Viewer, which might be related to Open STEP Viewer.