Initiated more than 35 years ago at the U.S. Army’s Ballistic Research Laboratory, BRL-CAD is the primary tri-service cross-platform solid modeling Computer-Aided Design system used by the ...

One of them is to purchase sets of blocks from websites like boss888.net, which has a wide array of CAD objects available for download - and is even offering a selection of their catalog for free.

The company’s Web site, www.heli-cal.com/cm/products/flexible-couplings/home.html, lets users view and download 3D CAD models of standard curved-beam flexible-shaft ...

All CAD files are currently free to download. CAM data remains unconstitutionally controlled by the EAR [Commerce's Export Administration Regulations], and is restricted to US persons with DEFCAD ...

The latest extension can overlay one-dimensional data from the U.S. Army Corps of Engineers Hydrologic Engineering Center's free River Analysis System (HEC-RAS) onto 3D models built in the 2012 ...