You select objects you want to be replaced and place and copy the target object.
Then in the menu (where the buttons Build Helper, Create Loop, etc. are) you'll find a replace selected button. After clicking on it your selected objects will be replaced with target object you just copied.
What is its purpose?
It saves time and helps you with decorating your level (in example if you experiment with blocks or making your own deco style).
Suggest a new feature to be added.
Feature Description
How should it work?
It replaces selected objects with other object.
What does it look/sound/act like?
You select objects you want to be replaced and place and copy the target object. Then in the menu (where the buttons Build Helper, Create Loop, etc. are) you'll find a replace selected button. After clicking on it your selected objects will be replaced with target object you just copied.
What is its purpose?
It saves time and helps you with decorating your level (in example if you experiment with blocks or making your own deco style).