- → (Ctrl+E)
Switch to editing mode to edit the current hole.
- → (Ctrl+Shift+N)
Create a new hole. (Only while editing.)
- → (Ctrl+Del)
Remove all objects from the current hole. (Only while editing.)
- → (Ctrl+R)
Reset the current hole to its starting position, so that you can start over.
- → (Ctrl+I)
Show information about objects on the current hole.
- → (Ctrl+Z)
Undo the last shot you made.