Are you looking for free software to open STP files? STP, or Standard for the Exchange of Product model data, is a type of file used in CAD (computer-aided design) and 3D modeling. Luckily, there are several open source options available to help you view and manipulate STP files without breaking the bank. FreeCAD is a popular choice for users who need to open STP files. This open source parametric 3D modeler is versatile and can be used for a range of applications including design, architecture, and engineering. FreeCAD supports STP files along with many other file formats, making it a comprehensive solution for your 3D modeling needs. Another option is LibreCAD, which is a free and open source 2D CAD application. While it may not have all the features of a full 3D modeling program, LibreCAD can still open and work with STP files, making it a great choice for simpler projects. If you're looking for an all-in-one solution for 3D modeling, Blender is a powerful open source software that supports STP files and is widely used in the industry. While it has a steeper learning curve than some other options, Blender offers robust features for creating, animating, and rendering 3D models. By using free software to open STP files, you can save money and still access the tools you need for CAD and 3D modeling. Take advantage of these open source options and start working with STP files today!