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VariCAD - 3D/2D CAD system

VariCAD is a 3D / 2D CAD software for mechanical engineering. In addition to standard tools for 3D modeling and 2D drafting, the CAD system provides support for parameters and geometric constraints, tools for shells, pipelines, sheet metal unbending and crash tests, assembly support, libraries of standard mechanical parts (ANSI, DIN) and symbols, mechanical part calculations and tools for working with bills of materials (BOM) and title blocks. VariCAD supports STEP, STL, IGES, DWG and DXF file formats. VariCAD is compact, fast, easy to use, and provides everything one needs for mechanical design. VariCAD is sold "fully loaded", including all features and functions, for one affordable price. The CAD system delivers an excellent performance-to-price ratio.

ViaCAD 2D/3D | Consumer CAD Software | PunchCAD

free-cad

FreeCAD is a general purpose feature-based, parametric 3D modeler for CAD , MCAD, CAx , CAE and PLM , aimed directly at mechanical engineering and product design but also fits a wider range of uses in engineering, such as architecture or other engineering specialties. It is 100% Open Source and extremely modular, allowing for very advanced extension and customization. FreeCAD is based on OpenCasCade , a powerful geometry kernel, features an Open Inventor -compliant 3D scene representation model provided by the Coin 3D library, and a broad Python API. The interface is built with Qt .