Be sure to have the following mods active in order to properly apply the settlement blueprint

Base game plus all DLC
                        "Fallout4.esm",
			"DLCWorkshop01.esm",
			"DLCCoast.esm",
			"DLCWorkshop02.esm",
			"DLCWorkshop03.esm",

The follwing mods:	
			
			"Settlement Electricity Overhaul.esm",
			"unlockedsettlementobjects.esm",
			"Homemaker.esm",
			"woodysWastelandStuff.esp",
			"WorkshopRearranged.esp",
			"Snappy_HouseK.esp",
			"cVc Dead Wasteland 6.esp",
			"AKBuildMenu.esp",
			"grounded.esp",
			"CREAtiveClutter.esp",
			"Kraggles - Structures.esp",
			"KURO.esp",
			"dinoshelf.esp",
			"cva.esp",
			"place_everything.esp",
			"WDP-PC.esp",
			"advsettleturretset.esp",
			"BuildableBurningCampfires.esp"

Settlement should be "owned" by the player. The vanilla house and shed should all be removed as well as all trees bushes and shrubs. DO NOT ALTER THE CRATER.
Use a mod to extend the settlement borders.