Are you in need of a free software to view STEP files for your CAD or 3D modeling projects? Look no further! In this article, we will introduce you to some of the best free tools that can help you open and view STEP files with ease.

1. FreeCAD: This open-source parametric 3D CAD modeler is a great choice for viewing and editing STEP files. It offers a wide range of features for 3D modeling and is compatible with Windows, macOS, and Linux.

2. eDrawings Viewer: Developed by Dassault Systèmes, eDrawings Viewer is a free tool that allows you to view, measure, and markup STEP files. It is available for both Windows and macOS.

3. Fusion 360: Autodesk offers a free trial of Fusion 360, a powerful 3D CAD, CAM, and CAE tool for product design. With Fusion 360, you can easily view and collaborate on STEP files with team members.

4. Onshape: This cloud-based CAD software offers a free plan for hobbyists and makers, allowing you to view and even modify STEP files directly in your web browser.

5. Free STEP File Viewer: As the name suggests, this software is specifically designed for viewing STEP files. It is lightweight, easy to use, and available for Windows.

No matter what your specific requirements are, one of these free tools is sure to meet your needs for viewing STEP files without breaking the bank. Try them out and see which one works best for you!