CAD in the United States
Wheaton, Toys, CAD LDraw is a system 3D LEGO modelling tools. The original program, as well as the file format used for the tool system were written by James Jessiman.
San Francisco, Toys, CAD LeoCAD is a CAD program that uses bricks similar to those found in many toys (but they don't represent any particular brand). Currently it has a library of more than 1000 different pieces.
Tucson, CAD, Gardenening You design it, we draft it. CAD landscape renderings of your landscape designs. No software of training required.