The BRL-CAD package is a powerful Constructive Solid Geometry (CSG) solid modeling system.īRL-CAD includes an interactive 3D solid geometry editor, a network-distributed symmetric multiprocessing high-performance ray-tracer, network-distributed framebuffer support, image and signal-processing tools, ray-tracing support for rendering and geometric analysis, path-tracing and photon mapping support for realistic image synthesis, animation capabilities, ray-tracing and numerical processing libraries, a system performance analysis benchmark suite, an embedded scripting interface, and a robust high-performance geometric representation and analysis library.įor other free and open source CAD alternatives, check out our CAD roundup.ģds Max is a 3D computer graphics program for making 3D animations, models, games and images.Īrnold is software for rendering three-dimensional, computer-generated scenes using unbiased, physically-based, Monte Carlo path tracing techniques.ĪutoCAD is computer-aided design (CAD) and drafting software. Click image for full sizeįreeCAD is a 3D-Solid and general purpose design CAD/CAE.įreeCAD 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 specialties. While other CAD packages are often complicated to use, QCad tries to be different. QCAD enables users to create technical drawings such as plans for buildings, interiors, mechanical parts or schemas and diagrams. QCAD is an application for 2D computer aided drafting. What are the best free and open source alternatives? Tinkercad is proprietary free-of-charge software. Tinkercad uses a simplified constructive solid geometry method of constructing models. Tinkercad is an online 3D modeling program that runs in a web browser.
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