1 Draw a rectangle according to the size of material. Select RhinoNest > Optimize objects position.
2 Click select objects and selects all the ribs.
3 Click Unique sheet
4 You can input the sheet of the material or select the rectangle drawn in step 1 by clicking Select sheet
5 Enter Distance Items to items, Distance items to sheet, Nesting per Sheet and Freedom
6 Click Execute and wait until it finishes
7 Click finish to end the nesting.