Are you in need of an STP (Standard for the Exchange of Product data) reader to view and explore 3D models in STP format? Look no further! We've compiled a list of 5 STP readers that you can download for free, making it easier than ever to access and interact with STP files. Whether you're a professional designer, engineer, or just someone curious about 3D models, these STP readers are perfect for you. Here are our top picks:

1. FreeCAD - FreeCAD is an open-source parametric 3D CAD modeler that supports the STP file format. It offers a range of features for viewing, exploring, and editing 3D models, making it a versatile tool for both beginners and advanced users.

2. eDrawings Viewer - eDrawings Viewer is a free software from SOLIDWORKS that allows you to view, print, and review STP files. It's user-friendly interface and support for various file formats make it a popular choice among engineers and designers.

3. 3D-Tool Free Viewer - 3D-Tool Free Viewer is a powerful STP file viewer that enables you to zoom, pan, and rotate 3D models with ease. It also supports measurement and markup tools, making it ideal for collaboration and feedback on 3D designs.

4. A360 Viewer - A360 Viewer is a web-based STP viewer that provides seamless access to 3D models on any device with internet connection. It's perfect for quick and easy viewing of STP files without the need for software installation.

5. Autodesk Fusion 360 - While not entirely free, Autodesk Fusion 360 offers a free trial version with full functionality, including support for STP files. It's a comprehensive 3D CAD, CAM, and CAE tool that is widely used in the industry, and the free trial allows you to explore its capabilities without any financial commitment.

With these STP readers, you can effortlessly open and explore 3D models in STP format without breaking the bank. Whether you're a student, hobbyist, or a professional, these free STP readers provide the essential tools you need to work with STP files effectively. Download one today and start exploring the world of 3D design and engineering for free!