AutoCAD that need to be improved, such as modeling 3D, and texture mapping, lighting, was left completely. Unfortunately, that statement applies to AutoCAD 2004 as well. On improving the AutoCAD only made along the front 3D is a new file format, ASM (director of Autodesk figure), which makes it faster to open and save files in the drawing consists of a solid 3D. AutoCAD is still one of the most intuitive interfaces I've seen is for 3D. Rubber bands too bad, which makes it difficult to know what you're modeling until the end of the process. Altitudes can not be referred interactive 3D objects in the vertical direction, rather, they must be printed or indicated graphically by drawing a line on the base plane "(Review of AutoCAD 2004, and published in the April 2003 issue of rhythm.