This is a very good solution for CNC beginners.very easy to build. I made a couple of pieces andWe all worked from the first. complete source code,has passed the test.
File list:
PCB
..\1.JPG

..\2.JPG

..\Board(Sprint Layout5).lay
..\Thumbs.db
Photo PCB
........\1.JPG

........\2.JPG

........\3.JPG

........\4.JPG

........\Thumbs.db