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Software for analysing and compressing STL files. In addition to various display and measuring options, it provides functions for element queries and the creation of section views.

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Modular, vector-oriented CAD tool for creating two-dimensional drawings, especially useful in the area of civil engineering. Provides an import function of drawings in DXF format and support for using layers (layer technology).

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Converts standard image files into CAD formats.

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OCR software for converting raster data into vector data to get the best possible results from raster images, maps, aerial photos, satellite images and Digital Elevation Models (DEMs). The integrated raster editing and vectoring tools are designed to make it easier for you to edit images and to manage and optimise scanned drawings and plans.

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Plans and displays interior spaces. Uses DWG format and processes 2D and 3D data such as SKP, DXF and 3DS. Provides tools for drawing spaces and equipping them with objects/materials. Planning scenes can be rendered as an image or a movie. Fast and secure download from The H

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Comprehensive CAD tool for creating technical drawings, modelling 3D objects and designing constructions. Offers scalable labelling elements, definable layer properties for individual view windows, and extended text and table functions, as well as support for splines. A Lite version, AutoCAD LT 2014 is also available.

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CAD program for creating designs from building blocks. Offers more than 1,000 types of building block.

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Designs and edits special layouts for MEMS/IC production. Provides an integrated font generator and design rule check as well as support for Boolean calculations. Supports Calma GDSII, OASIS (Open Artwork System Interchange Standard), DXF, CIF (Caltech Intermediate Form), Gerber and DEF/LEF formats.

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Static analysis tool with more than 30,000 profiles for metal and woodworkers, building contractors and engineers. Provides automatic calculations for loads, statics, fire resistance, reinforcement and foundations with precise pre-dimensioning of (inclined) steel beams and columns, reinforced concrete, wood, laminated beams, aluminium and laminated safety glass.

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Software for 3D mesh editing and additive manufacturing. Creates watertight objects and can repair damaged linkages. Offers tools for the implementation of CAD models, including part manufacture. Supports STL, X3D, WRL, GTS, CLI, SLI, SLC, SSL, CLS and G-Code formats. Version for commercial use offers extra modules. Fast and secure download from The H

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Toolset for software development of DXF/DWG interfaces for reading and writing of DWG and DXF files. Based on OpenDWG specification serving the DWG format used by various programs, such as AutoCAD. Compatible with all DWG versions from 2.5 to 2008. Download requires registration.

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A parasolid-based parametric 3D-CAD/CAM system, includes (among others) automatic derivative drawing in 2D, a bill of materials generator, stress analysis, sheet metal, welding design and its own API.

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Creates charts and diagrams in the form of vector graphics.

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Extensive CAD solution for technical drawings and sketches with native DWG support; also with customisable 2D and 3D design tools.

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Allows you to build virtual Lego bricks on top of one another using your PC. You can construct buildings, vehicles and other models and, to help make your virtual models real, just press a button and the program produces a list of all the bricks you need. For inspiration, it comes supplied with various construction manuals.

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3D and 2D CAD viewer and converter that imports and converts native CATIA V4/V5, Pro/E, Inventor, STEP, IGS, VDA, SAT, STL, VRML, DXF and DWG files. Provides dimensioning, sections, explosions, animations and 3D PDF export.

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Use this tool to open, display and print VariCAD files. It also processes files in STEP (3D), DWG, DXF or IGES format (in 2D). Download requires registration.

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Free viewer for displaying and measuring DWG, DWF and DXF files. Offers Xref support for displaying levels and block attributes.

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Wind tunnel simulation tool for interactively investigating the aerodynamic properties of product designs. Available as an add-on for programs in the Alias Automotive, Design and Surface product series, as well as a standalone version for STL files. Download requires registration.

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2D/3D CAD and design software for drawing and modelling wire grids, skin or solid bodies. Includes photo-realistic rendering functions and extensive integrated interfaces such as SAT, STEP, IGES, STL, Parasolid, CI, EPS, 3DS or DXF/DWG.

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