D3 8-inch Stone Wall with Removable Segment Insert vertical end posts into the base plate. Insert wall segments as shown above. (You can rotate and rearrange these segments if you are assembling multiple walls) Glue asymmetrical corner pieces into the 4 slots closest to the center. Glue wide corner strips into the 4 slots closer to the ends of the base plate. Glue the top plate down to the op of the vertical wall segments. Glue removable wall center into the removable top plate. Glue the detail plates into both side of the removable wall panel. Insert but DO NOT GLUE the removable segment into the slot in the top of the wall.