Choose
> > from the menus.Select Assign.
Select S1 plate from the list.
Click 2 plate section and click in the Link SECTION dialog.
in the bottom panel, then selectClick MID in the bottom panel, then select 2 material for plate and click in the Link MAT dialog.
Click Assign Part:
in the bottom panel.
Select H2 ball from the side panel list.
Click 1 rigid section, and click in the Link SECTION dialog.
in the bottom panel, then selectClick 1 rigid material for b, and click in the Link MAT dialog.
in the bottom panel, then selectClick Assign Part:
in the bottom panel.