If you're a Mac user working with 3D modeling or CAD, you may find yourself needing to view STP files. STP (Standard for the Exchange of Product model data) files are a common file format used in the CAD industry for the exchange of 3D design data. While Mac OSX offers robust capabilities for many tasks, finding the best STP viewer for Mac OSX can be a bit challenging.

Fortunately, there are several great options available for Mac users to view and work with STP files. One popular choice is FreeCAD, an open-source parametric 3D CAD modeler. FreeCAD is compatible with Mac OSX and allows users to view, modify, and create 3D models in various file formats, including STP. It's a powerful tool that is well-suited for both hobbyists and professionals working on 3D modeling projects.

Another excellent STP viewer for Mac OSX is eDrawings, a well-known software developed by SolidWorks. eDrawings is specifically designed for the visualization of 2D and 3D product design data. It's easy to use and offers a range of tools for viewing, measuring, and markup of STP files. If you frequently work with SolidWorks files and need a reliable STP viewer for your Mac, eDrawings is a great choice.

For Mac users who prefer a lightweight and simple STP viewer, STP Viewer is a popular option. This software is specifically designed for viewing and analyzing 3D models in STP/STEP format. It provides basic functionalities such as rotating, panning, and zooming, making it easy to inspect and review STP files on your Mac.

If you're looking for a more comprehensive solution that offers advanced 3D modeling capabilities along with STP viewing, Onshape is worth considering. Onshape is a cloud-based CAD software that is fully compatible with Mac OSX, allowing users to not only view and manipulate STP files but also create and collaborate on 3D designs in real-time.

In conclusion, Mac users have several excellent options for viewing and working with STP files. Whether you're a professional engineer, architect, or hobbyist, there's a suitable STP viewer for Mac OSX to meet your needs. Consider the specific features and functionalities you require, and choose the best STP viewer that aligns with your workflow and project goals.