SOLIDWORKS 2018 - Sheetmetal Tab and Slot

tab and slot   Dan tab and slot

I found a way - Create your tab and slot with the main part and copy1 of the 2nd part, as normal

See more at: productssolidworks Learn how to use the tab and slot By modifying the tab to be larger at the base and smaller at the top allows for much better stress flow As you can see from the design below,

virtual slot See more at: productssolidworks Learn how to use the tab and slot Twist tab type sliding tab and slot coupler for wind-up 6 frames