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Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Inventor - Inventor is a 3D CAD software that lets you quickly create 3D models with embedded intelligence, intuitive workflows, and optimized performance.
FreeCAD - An open-source parametric 3D modeler
SolidWorks Simulation - Simulation solutions for SOLIDWORKS® provide an easy-to-use portfolio of analysis tools for predicting a product’s real-world physical behavior by virtually testing CAD models.
Ayam - Ayam is a free 3D modelling environment for the RenderMan interface, distributed under the BSD...
3DSimED - 3DSimED is a Windows DirectX application allowing the creation and visualization of models from...