Free STP Viewer - free software that lets you view 3D STEP files (.stp, .step file format).
STP Viewer is not available for Android but there is one alternative with similar functionality. The most popular Android alternative is Glovius. If that doesn't work for you, our users have ranked 14 alternatives to STP Viewer, but unfortunately only one is available for Android. If you can't find an alternative you can try to filter for web or SaaS options.