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There are many pages of posts on many subjects, and only a few show on this main page. Search for the subjects that you are interested in.

Topics covered in here tend toward Gadgetry, Weapons, Books, Tools, and a lot of other things that have captured my interest.

Please note the "Linked From Here" tab on the results, which lists search results from sites I have linked to in my posts.

BRL-CAD

U.S. Army Ballistic Research Laboratory (BRL) computer-aided design (CAD), BRL-CAD was designed for the computer simulation and engineering analysis of combat vehicle systems and environments and is capable of interactively displaying, editing, and interrogating geometric models.

Interestingly, this is free (Open Source) software that you can download and use, and the BRL-CAD source code repository is believed to be the oldest public version-controlled codebase in the world that's still under active development, dating back to 1983.

It is a powerful cross-platform Constructive Solid Geometry (CSG) solid modeling system that includes interactive 3D solid geometry editing, high-performance ray-tracing support for rendering and geometric analysis, network-distributed framebuffer support, image and signal-processing tools, path-tracing and photon mapping support for realistic image synthesis, a system performance analysis benchmark suite, an embedded scripting interface, and libraries for robust high-performance geometric representation and analysis.

If you are interested in how it stacks up to other CAD programs, look at this Comparison of CAD Editors for Architecture, Engineering and Construction. Here is the documentation if you want a little more information.

Screenshot


Translucent Bradley Fighting Vehicle
Drawn with BRL-CAD.

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