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BRL-CAD

by BRL-CAD · #49 of 79 in 3D CAD Software

Free plan

Plans and prices

PlanPriceBilled
Free BRL-CAD distribution$0—
Full-service support distribution——

From BRL-CAD's own pricing page, checked 11 Oct 2026. Every plan

What the maker publishes

Animation tools
Yes source
Conversion
The feature page describes converting BRL-CAD geometry to a finite element mesh with its g-sat exporter and Sandia National Laboratories' Cubit. source
Current release notice
The homepage labels release 7.24.0, Archer Alpha, and describes the Archer/MGED interface update as alpha software seeking community feedback. source
Distribution
The free distribution is available in binary and source code form, with source also available through a Subversion repository. source
File formats
The documentation lists import converters for formats including DXF, IGES, NASTRAN, STL, and Unigraphics. source
Founded
1979 source
Free plan
Yes source
Intended use
The about page describes use in military, academic, and industrial applications, including vehicles, mechanical parts, architecture, medical visualization, and radiation dose planning. source
License and cost
BRL-CAD is distributed as free open source software under OSI-approved license terms. source
Modeling
It supports CSG and B-REP geometry, including primitives, NURBS, n-Manifold Geometry, and faceted meshes, combined with boolean union, intersection, and difference operations. source
Parametric modeling
Yes source
Platform access
desktop source
Platforms
The about page says BRL-CAD is maintained for BSD, Linux, Solaris, Mac OS X, and Windows environments. source
3D print export
Yes source
Procedural modeling
BRL-CAD provides an interface for creating models algorithmically instead of manually. source
Purpose
BRL-CAD is an open source cross-platform solid modeling system with interactive geometry editing, ray tracing, a benchmark suite, and geometry libraries for application developers. source
Ray tracing
Ray tracing supports geometric analysis and image rendering, including calculations such as weights and moments of inertia. source
Render engine
built-in source