Wellington Rosette With Edge Detail. Accessories help to create a more sophisticated, individual look for your home or office. Accessories offer custom choices to shape and mold any architectural need. B1 SUGGESTED APPLICATION Plinth Blocks should be 1/4” – 3/4” wider than casing. Several different wood species available, choose from Paint Grade, Poplar, Primed MDF, Oak, Cherry, Maple, Alder.