Your goal in this tutorial is to develop a new command for AutoCAD that draws a garden path and fills it with circular tiles. The tutorial is divided into seven lessons. As you progress from lesson to lesson, you receive progressively less detailed instructions on how to perform individual tasks. Help is available in the VLISP documentation if you have any questions.
Lessons 4 and 5 are at an intermediate level and go beyond basic AutoLISP concepts. Lessons 6 and 7 contain advanced and fairly complex programming tasks and are designed for experienced AutoLISP developers.
It is recommended you do not modify the sample source code files supplied with AutoCAD. If something is not working correctly within your program, you may want to copy the supplied source code into your working directory. Throughout the tutorial, the working directory is referred to as: