"!set type **** ****" use that in the console, replace the first asterisks with the name of the element you want to change to another element, and the element you want to change to the first one to goes where the second asterisks are. Of course, don't put the parenthesis with the command either. To open the console, press the "~" key on your keyboard. Then enter the command. This will make changing lots of spaced out pixels of the same material a lot easier, it changes all of the same material in one quick move to a different element. Hope this helps. And please stop asking for votes, of even mentioning them in that context.