LibreCAD is a cross-platform 2D Computer-Aided-Drawing application derived from QCad, and extends it with CAM functionality. It supports DXF, LFF, CXF, and JWW files, can export to common bitmap graphics formats and SVG.
A typical application developed using OCCT deals with two or three-dimensional (2D or 3D) geometric modeling in general-purpose or specialized Computer Aided Design (CAD) systems, manufacturing or analysis applications, simulation applications, or even illustration tools.library designed for rapid production of sophisticated domain-specific CAD/CAM/CAE applications
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