… for Apple Motion
Tip #896: Don’t Use the Rectangle Tool…
Formatting options for the Shape tool are limited compared to the Select tool.
…to change an existing rectangle. Or any geometric shape.
The settings in the HUD for the rectangle tool only apply to the NEXT rectangle you draw. If you want to change an existing rectangle, first select the Select tool (Shortcut: Shift + S).
As the screen shot makes clear, the formatting options for the Rectangle tool are very limited. Especially when compared to after you draw the rectangle, then select the Select tool.