About Stock Models
A stock model is a model of the shape made when a block of material is machined using a selected toolpath or set of machining passes. You can generate stock models for single or multiple toolpaths or passes. They help you visualize the results of a toolpath, and decide whether further modifications are required to achieve the desired result.
Note the following points when working with stock models:
• If toolpath generation fails for any of the selected group of sequences, the stock model creation also fails.
• The 
Edit References and 
Pattern commands are not supported for stock models.
Edit References and Pattern commands are not supported for stock models.