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That is a myth, open up any book from any version and look at the list of commands in AutoCAD LT the very first entry is and has always been 3DPOLY What LT is missing are many of the 'tools' for working with 3D and LT cannot create 3D solids, meshes etc. but it can certainly open a drawing that contains them and it does have a whole load of tools for getting around and viewing 3D modelspace. We have 3D views, the 'hide' command to better visualize 3D models. Measurements are taken accurately from 3D points. In fact one question that comes up regularly in LT forums is how to get rid of 3D data and change it to 2D (unfortunately that is also a problem in LT with its limited set of tools and commands). But 3D space in LT is very real, and very useablein LT. The list of commands that work only in a 3D model within LT are not always in the Ribbon or Menu, but they are there eg hide, shademode, 3D views, vpoint, even the UCS command. And most commands will work within 3D space 'Align' prompts for 3 sets of points as source and destination and works perfectly fine for aligning 3D geometry. Many types of geometry have to be coplaner "flat" eg ployline, but there are no restrictions on the orientation of that plane in 3D space and by altering the UCS and the viewing angle you can draw a 3D box using the polyline command. Yes LT cannot create or edit 3D solids, but it is capable of so much more in a 3D modelspace, and LT is definately not ONLY 2D

AutoCAD LT doesn't do 3D, in the sense that it is incapable of providing a professional level 3D modeling environment. It is like trying to investigate the Titanic wreck with SCUBA gear. If your office runs on 3D, then LT is not your software.

Just describe a repetitive scenario to your supervisor that consists of doing many different things using several different commands and show him how much time you save by having all of those commands combined into one lisp routine that does it all with a simple keyboard command or mouse click. Then multiply that time saving over an entire day, using many different lisp routines for different tasks. Or maybe you could explain it by using a real world scenario, like making a phone call. In the old days, before cell phones, you had to walk over to the phone on your desk, pull out your phone book and manually dial the number on the keypad. With a cell phone, you just tap on the person in your contacts and the call is sent. That's kind of like a lisp routine. Combining several actions into one simple command.