hello everybody. i wanna make a redstone team. in this team, there are three rank. the rank C where you must to know make a 3 by 3 door with sand (your design). the rank B where you must to know make a 3 by 3 door with a normals blocs(your design). And the leader rank where you must to know make a 4 by 4 door (your design) i m in the leader rank! this is my 4 by 4 door!