Use the Show Part with Exact Lines command to temporarily display a part with exact lines even if you are using the Fastrepresentationthe way that the information included in a model is represented visually
option for parts.
Select the part.
Go to Quick Launch , start typing show part with exact lines , and select the Show Part with Exact Lines command from the list that appears.
Click the view in which you want to display exact lines.
To clear the exact lines effect, on the View tab, click.