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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MeshLab
The open source system for processing and editing 3D triangular meshes. It provides a set of tools for editing, cleaning, healing, inspecting, rendering, texturing and converting meshes. It offers features for processing raw data produced by 3D digitization tools/devices and for preparing models for 3D printing. In this version we introduce support to several file formats (.gltf, .glb, .nxs, .nxz, .e57) and a brand new plugin for exact mesh booleans. The 3D data alignment phase (also known as registration) is a fundamental step in the pipeline for processing 3D scanned data. MeshLab provides a powerful tool for moving the different meshes into a common reference system, able to manage large set of range-maps. MeshLab implements a fine tuned ICP one-to-one alignment step, followed by a global bundle adjustment error-distribution step. The alignment can be performed on meshes and point clouds coming from several sources, including active (both short- and long-range) scanners.
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DDS-CAD Viewer
Thanks to its advanced interpretation of IFC data, the DDS-CAD Viewer is indispensable for the BIM scene. It is a free tool used for viewing, analyzing, merging, and discussing BIM models worldwide. In addition to IFC, the DDS-CAD Viewer supports data formats common to the AEC industry such as DWG, gbXML and 3ds. View, check, edit or create IFC, BCF, gbXML and DWG files. Intuitive 3D navigation options. Multidisciplinary clash detection. Visualization filters for analyzing model information. Integrated BCF manager. Advanced interpretation of IFC data. The DDS-CAD Viewer allows you to open and analyze different file formats such as DWG files and the OPEN BIM file format IFC. Various navigation options are available. The latest DDS-CAD Viewer provides an interdisciplinary clash detection, allowing you to automatically analyze models on design issues. The integrated BCF manager enables you to seamlessly communicate these issues.
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