Using your CAM program (we use VCarve Pro), lay out the shapes for the ShopBot. You may download the .DXF of the scissor shape at http://www.lime3D.net/instructables/scissor.zip
Note: You will cut out two of the same exact part. Nest the file in any orientation to optimize the size of your 3/4" particle board workpiece.
You will see that the .DXF contains the profile shape, plus a boundary defining a pocket for the blade section. Cut the pocket 1/4" deep first. This will allow the two halves of the scissors to fasten together, and operate like their real-life counterparts.
Finish by cutting out the profiles and screw holes.
Pay no attention to the other shapes in the photos. Those are for two different projects we were cutting at the same time.