Notice the three features added.
Solidworks convert to sheet metal.
When cleared the body is consumed by the convert to sheet metal feature.
Solidworks convert to sheet metal cylinder.
Sheet metal convert and flat pattern suppressed.
3 when all edges have been added to the two groups hit the green check.
This tutorial shows how to convert cylindrical hollow solid part to sheet metal cylinder.
2 solidworks will pick the rip edges for you by process of elimination.
This approach will work for any solid body you have including imported bodies made in other systems.
Under sheet metal parameters.
The software automatically selects the edges on which rips are applied.
Set the sheet thickness and default bend radius.
If an edge already has a fillet applied the radius of the fillet is used as the bend radius for the new sheet metal part.
Select keep body if you want to keep the solid body to use in another convert to sheet metal feature.
Here is your sheet metal box.
The sheet metal tool in solidworks is located in the sheet metal toolbar and drop down menu.