AutoCAD 2014 - 3D Tutorial 07 - http://www.CADeeze.com - This chapter introduces Boolean Operations (Union, Subtract, Intersect) that allow for complex interaction between 3D pieces. The chapter features a 3D drawing project of a wall with a door and a window. Next the chapter moves on to introducing the basic primitives shapes (Box, Wedge, Cone, Sphere, Cylinder, Torus, Pyramid) and presents some applications.