Final answer:
Yes, the shell command in Solidworks removes material and leaves the user-defined wall thickness.
Step-by-step explanation:
Yes, the shell command in Solidworks is used to remove material and create a wall thickness around the model. The shell command allows you to specify the thickness of the wall and remove the internal material, while retaining the desired wall thickness. This is useful in creating hollow objects or thin-walled structures in Solidworks.