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ABOUT BLENDER Software-
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Blender is a professional free and open-source 3D computer graphics software product used for creating animated films visual effects art 3D printed models interactive 3D applications and video games Blenders features include 3D modeling UV unwrapping texturing raster graphics editing rigging and skinning fluid and smoke simulation particle simulation soft body simulation sculpting animating match moving camera tracking rendering video editing and compositing It further features an integrated game engine
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ABOUT SWEETHOME 3D-
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Sweet Home 3D is a free interior design software application that helps you draw the plan of your house arrange furniture on it and visit the results in 3D You can download Sweet Home 3D to install it on your computer andor use it online within your browser Sweet Home 3D is the only open source interior design software It is downloaded 10 000 times a day and used by amateurs as well as professionals
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ABOUT BRL-CAD-
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BRL-CAD is a constructive solid geometry CSG solid modeling computer-aided design CAD system It includes an interactive geometry editor ray tracing support for graphics rendering and geometric analysis computer network distributed framebuffer support scripting image-processing and signal-processing tools The entire package is distributed in source code and binary form
Although BRL-CAD can be used for a variety of engineering and graphics applications the packages primary purpose continues to be the support of ballistic and electromagnetic analyses In keeping with the Unix philosophy of developing independent tools to perform single specific tasks and then linking the tools together in a package BRL-CAD is basically a collection of libraries tools and utilities that work together to create raytrace and interrogate geometry and manipulate files and data In contrast to many other 3D modelling applications BRL-CAD uses CSG rather than boundary representation[1] This means BRL-CAD can study physical phenomena such as ballistic penetration and thermal radiative neutron and other types of transport[2]
The BRL-CAD libraries are designed primarily for the geometric modeler who also wants to tinker with software and design custom tools Each library is designed for a specific purpose creating editing and raytracing geometry and image handling The application side of BRL-CAD also offers a number of tools and utilities that are primarily concerned with geometric conversion interrogation image format conversion and command-line-oriented image manipulation
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ABOUT FREE-CAD-
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FreeCAD is a free and open-source under the LGPLv2 license general-purpose parametric 3D CAD modeler FreeCAD is aimed directly at mechanical engineering and product design but also fits in a wider range of uses around engineering such as architecture or other engineering specialities FreeCAD is currently in a beta stage of development
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ABOUT SKETCHUP -
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SketchUp formerly Google Sketchup is a 3D modeling computer program for a wide range of drawing applications such as architectural interior design civil and mechanical engineering film and video game design—and available in a freeware version SketchUp Make and a paid version with additional functionality SketchUp Pro
SketchUp is currently owned by Trimble Navigation[1][4] a mapping surveying and navigation equipment company[5] The programs authors describe it as easy to use[6] There is an online open source library of free model assemblies eg windows doors automobiles 3D Warehouse to which users may contribute models The program includes drawing layout functionality allows surface rendering in variable styles supports third-party plug-in programs hosted on a site called Extension Warehouse to provide other capabilities eg near photo-realistic rendering and enables placement of its models within Google Earth
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