Are you in need of a free software to open step files for your 3D modeling projects? Look no further! We've rounded up some of the best free software options that will allow you to easily view and modify your step files. Whether you're a professional designer or just starting out with 3D modeling, these tools are perfect for anyone looking to work with step files without breaking the bank. 1. FreeCAD - FreeCAD is a popular open-source parametric 3D modeler that can open and edit step files. It's a powerful tool that offers a wide range of features for 3D design and modeling. With FreeCAD, you can easily import and work with step files, making it a great option for anyone in need of free software for opening step files. 2. BRL-CAD - BRL-CAD is another powerful open-source software that supports the viewing and editing of step files. It's been used for decades in various industrial and military applications, and its robust set of features makes it a reliable option for working with step files. BRL-CAD is a versatile tool that can handle complex 3D models with ease, making it a great choice for anyone working with step files. 3. OpenSCAD - OpenSCAD is a free software for creating 3D models and it also supports the import of step files. While it has a different approach to 3D modeling compared to traditional interactive modelers, it's a great option for creating complex designs and working with step files. OpenSCAD is perfect for those who prefer a more script-based modeling approach. 4. MeshLab - MeshLab is an open-source system for processing and editing 3D triangular meshes. It supports the import of step files and provides a wide range of tools for cleaning, editing, and converting 3D models. MeshLab is a versatile tool that can be used for a variety of 3D modeling tasks, making it a valuable resource for working with step files. There you have it - our top picks for free software to open step files! Whether you're a professional designer or hobbyist, these tools offer reliable and feature-rich solutions for viewing and editing your 3D models. Give them a try and take your 3D modeling projects to the next level without spending a dime!