Autodesk Viewer
Autodesk Viewer supports most 2D and 3D files, including DWG, STEP, DWF, RVT, and SolidWorks. Quickly get the feedback you need with Autodesk Viewer's lightweight drawing and annotation tools. Autodesk Viewer lets you access and collaborate on your designs from any device or operating system. View DWG files or convert them to work with older versions of AutoCAD software. Add Design Review to mark up 2D and 3D files without the original design software. For greater flexibility consider Autodesk Viewer or AutoCAD web app. Get quick, anytime access to CAD drawings with the AutoCAD web app. View, edit, share, and create DWG files in a web browser on any computer. No software installation required. Use the drafting tools and commands you're used to.
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Bentley View
In addition to viewing 3D models, you can use Bentley View as a free CAD viewer with capabilities to search for objects, measure distances and areas accurately, and print drawings to scale with full fidelity, on every desktop, for free. With millions of users, Bentley View is the industry's most powerful free viewer. In addition to being the most popular AutoCAD reader, you can view over 50 file formats, including CAD and raster images as well as Bentley's uniquely powerful iModels. You can easily open DWG and open DXF designs with the same fidelity as the authoring software. More than just a free DWG viewer, some of Bentley View’s recent enhancements in the latest CONNECT Edition include newly added format support and advanced viewing features. If all you need is to view CAD files, then Bentley View is a great free solution! If you also need to edit them to generate drawings, models, and visualizations, you might consider MicroStation PowerDraft.
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3D_Analyzer
3D CAD Viewer to review and analyze models from all major native and standard CAD formats with assemblies-structure, B-rep, tesselation, features and parameter as well as metadata, PMI and annotations. Precise measuring, cut and annotation functions based on B-REP Models. Fast Creation of exploded views with automatic and manual functions. 3D_Analyzer is the perfect tool for project management tasks. It is not only a Viewer for all major CAD formats, it also provides a wide range of easy to use and powerful 3D inspection computations such as comparison of geometry, PMI and assembly-structure, collision and clearance detection as well as wall thickness, draft and undercut analysis. Share your files, you can easily export the CAD files to the 3D-PDF format. Additionally you can also save the analysis results to 3D-PDF and exchange it with your colleagues, suppliers or customers.
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3D-Tool
Open and see any 3D part or assembly clearly—without expensive CAD software.
3D‑Tool lets you open, view, measure, and mark-up 3D CAD models in a simple, affordable way. Designers, engineers, and project managers can review parts from many CAD systems without needing the original software. The Premium and Advanced versions support 20+ file formats and let you share annotated models with anyone using the Free Viewer app. The Free Viewer opens native 3D‑Tool files (Those exported by a paid version of 3D-Tool) and STL files, making collaboration easy. The Premium version adds a powerful converter that turns native CAD files into STEP or CAT formats for use in NC, CMM, and other systems that can’t open the originals.
Cross Sections • Exploded Views • 3D/2D Measure • Model Compare • Draft & Wall Analysis • Collision Check • Custom Views • Annotations • Publish EXE/DDD/3D‑PDF • STL/OBJ/3DS/PLY Export
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