This example demonstrates the construction of two versions of a “Single Walled Tray”. One with a Flat Top and the other with a Recessed Top using IronCAD's Structure Part Mode. This exercise uses "SINGLE WALL TRAY 1 - Flat Top - 20211004.ics" and "SINGLE WALL TRAY 2 - Recessed Top - 20211004.ics" located in the example files.