Are you looking for the best 3D file viewer online to explore your designs in 3D? Whether you're a designer, architect, or engineer, having the right tool to visualize and review your CAD models is essential. With the advancement of technology, there are many online platforms and software that offer 3D file viewing capabilities. Here are some of the best options to consider:

1. Sketchfab: Sketchfab is a popular platform for uploading, viewing, and sharing 3D files. It supports various 3D file formats, including OBJ, FBX, STL, and more. With its user-friendly interface and powerful rendering capabilities, Sketchfab is a go-to choice for many designers and artists.

2. Autodesk Viewer: If you work with Autodesk software, the Autodesk Viewer is a great option for viewing your 3D designs online. It supports a wide range of file formats and provides tools for annotations, measurements, and collaboration. Whether you're working on architectural models or product designs, the Autodesk Viewer has you covered.

3. Glovius: Glovius is a 3D viewer that supports CAD file formats such as CATIA, NX, Pro/ENGINEER, SolidWorks, and more. It offers advanced analysis tools, sectioning capabilities, and the ability to create custom views. Glovius is a powerful option for engineers and manufacturers who need to review complex 3D assemblies.

4. Clara.io: Clara.io is a cloud-based 3D modeling and rendering software that also offers a 3D file viewer. It supports popular file formats like 3DS, STL, and PLY, and provides real-time collaboration features. Whether you're creating 3D animations or exploring 3D models, Clara.io can meet your needs.

5. BIMx: BIMx is a 3D viewer specifically designed for architects and building professionals. It allows you to explore BIM (Building Information Modeling) projects in 3D and navigate through interactive 3D models. With its intuitive interface and navigation tools, BIMx is a valuable resource for anyone involved in architectural design.

These are just a few options for exploring 3D file viewer online, and there are many other platforms and software available. Whether you're a hobbyist or a professional, having the right tool to view and interact with your 3D designs can enhance your workflow and productivity. Take advantage of these online resources to bring your 3D models to life and gain a new perspective on your designs.