Download of BRL-CAD 7.26.0.2 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. This free software for Mac OS X was originally produced by BRL-CAD. The application lies within Developer Tools, more precisely DB Tools.
From the developer:
BRL-CAD is a powerful open source solid modeling system that includes interactive geometry editing, high-performance ray tracing for rendering and geometric analysis, a system performance analysis benchmark suite, geometry libraries for application developers, and more than 30 years of active development.
You may want to check out more Mac applications, such as fontmatrix or Valentina Studio Pro, which might be similar to BRL-CAD.
3D Design