Dormer Opening: This tool is used to create a dormer shaped hole in the main roof. Select the main roof, then click on dormer walls and roof. Click the green check to complete the opening. To create a dormer, model required walls and additional roof. Use Join/Unjoin Roof tool: This tool is located in the Modify tab. Use it to extend the dormer roof to the main roof. To learn more visit https://www.cadcim.com/
