CAD Assistant

• New XBF format version (OCCT 7.6.0) preserving vertex normals.
• Added shadowmap option to non-Ray-Tracing renderer.
• Added accurate order-independent transparency option.
• Added interface for switching LODs.
• Added support for reading glTF files using Draco extension.
• Added stereoscopic cursor.
• Data Exchange bug-fixes (STEP import, glTF export, JT Import).
• Fixed SpaceMouse rotation within object-mode.

• Added new highlighting styles.
• Added experimental OpenVR support (Windows).
• Improved progress indication.
• Improved metadata handling in JT and IFC readers.
• Improved STEP reader/writer robustness and UNICODE support.
• Fixed reading of transparency property in STEP reader.
• Fixed a couple of glTF export problems.
• Fixed reading VRML models defining polygons.
• Fixed panning with Wireless versions of SpaceMouse (Windows).

• Bug-fixes.

• Bug-fixes.

• Introduced material editor.
• Assembly properties window now displays metadata.
• Added optional PBR Metallic-Roughness rendering mode.
• Improved performance of OBJ and STL readers.
• Improved compatibility with SpaceMouse (Windows).
• New cad import format (XT) using OCC Commercial Component.

• Improved perspective camera manipulations.
• Improved Hollow Mesh/Mesh Edges presentations.
• Improved performance of some operations on large assemblies.
• glTF reader now supports files with embedded textures.
• PLY reader now supports importing files with single mapped texture extension.
• WASD navigation keys are now mapped onto AZERTY keyboard layout in expected way.
• Added option specifying non-standard text encoding for reading STEP files.
• Fixed jerky scrolling on touchpads on Windows notebooks supporting smooth scrolling.
• Introduced basic support of SpaceMouse controller on Windows.
• Added portrait mode and fixed resizing issues on Android platform.
• New Open Cascade logo.

• Improved robustness of Meshing algorithm.
• Fixed JT import regression on some files.
• Fixed OBJ export regression.
• Fixed exporting Default (undefined) material into glTF file.
• Fixed incomplete culling of objects outside of camera frustum.

• glTF writer now exports into 2.0 version of this format.
• Option to rename selected assembly part.
• Improved performance of Flat Shaded and Mesh Shrinked presentation modes.
• Improved robustness of dimensions import from STEP file.
• Improved selection performance in several worst cases.
• Fixed issue with hanging clipping plane presentation on big models.
• Fixed remaining issues with stylus input within Model Browser and Display Modes on Android platform.
• Fixed applying length units while reading VRML 2.0 files.

• New languages for user interface: French, Russian.
• New cad import formats (DXF, ACIS) using OCC Commercial Components.
• New mesh import formats (WRL1, BLEND, 3MF, 3DM, 3DS, AC3D, AMF, ASE, COLLADA, X3D).
• Dimensions and tolerances information stored in STEP file is now displayed in 3D Viewer.
• Improved compatibility (file sharing issues) with several file formats and several applications on Android.
• Extensions and bug-fixes for selected object properties.
• Improved stability while reading OBJ and JT files.
• Fixed applying length units while reading JT file.
• Fixed reading files with GLB extension on iOS.
• Fixed issue when object color cannot be unset.

• Improved support of measurement units.
• Rubber-band selection tool.
• Option to export into Binary glTF 1.0 format.
• Option to exclude normals when exporting to PLY.
• Fixed reading some glTF 2.0 models – byteOffset is now optional.
• OBJ file import compatibility improvements.
• OBJ file export bug-fixes (random failures saving MTL file).
• Fixed handling of transformations and colors assigned to root elements and part instances in the document.

• JT mesh import (without LODs).
• Option to import multiple models into single document.
• Assembly structure is now displayed also for mesh-only files.
• Improved performance while displaying big assemblies.
• Improved glTF mesh format support.
• Support of polygons with more then 4 nodes within mesh import.
• Option to control nodes merging for STL mesh import.
• Option to rotate around picked point.
• Option to use shaded mode for highlighting selected object.

• Open CASCADE Technology kernel updated to version 7.1.0.
• Fixed exception when reading STEP files with some fields missing.

• Preliminary version of glTF (GL Transmission Format) reader.
• Improved robustness and performance of reading STL files in text (ASCII) format.
• Tool to delete assembly parts.
• Fixed listing of read-only external SD cards on Android 6.
• Fixed reading of RGBA texture on mobile platforms.

CAD Assistant is now available on Windows and OS X platforms, free for personal and commercial use.

New features for all platforms:

• Optimized start-up, STL reading, loading of big STEP assemblies.
• Clipping planes in 3d view allowing to see the model cross-section and interior.
• New display mode for CAD models: shaded with boundary edges.
• Improved support of high-density screens.
• Support of OFF mesh format.
• Tool to change color of selected parts.

Windows specific features:

• Interactive ray tracing – realistic shadows, transparency, reflections, simple refractions.
• Path tracing – advanced display of complex scenes and transparent materials with realistic refractions and caustics.
• Fine display of sharp lines with MSAA option.
• Automatic update tool.

Full text license is provided to better define terms of usage of CAD Assistant as free application.

• Saving CAD model as triangulation to PLY, STL, OBJ formats.
• Reading polygonal models from OBJ files.
• Option to export only selected part or sub-assembly from CAD model.
• Stereoscopic output (interlaced, anaglyph, side-by-side, etc.)
• Choice of default display material in application settings.
• New display mode for meshes – smooth shaded (default).

• Fixed issues with old Tegra3 graphics (e.g. on Nexus 7 ‘2012).
• Fixed problem with launch under secondary user accounts.
• Added support of viewer manipulations by stylus and mouse.
• Migrated to Open CASCADE Technology 6.9.0.

• First public release on iOS.
• Support of reading mesh files in STL format.
• Improved user interface responsiveness on big models.
• Improved integration with file browsers and cloud services.
• Tooltips on menu buttons (on hold).

• Resolved problem of execution on some devices with Android 4.0-4.2.
• Rotation center in 3D viewer is now set to center of selected object (or all visible).
• External SD cards are added as top-level items in Open/Save dialog.
• Options tuned to optimize IGES export.

• Font size adjusted for phones.
• Scroll enabled in message log.
• Icons for standard views and ‘show only’ redesigned.
• Options tuned to optimize conversion to STEP.

• First public release on Android.