Allow it dry, find out if it shrinks (it possibly will) then refill if required and let dry absolutely. Once the Wooden filler is dry, make use of a good grit sandpaper to sand down high places. The quantity is dependent upon the picked out width from the baguette. https://how-to-make-a-floating-pi35432.qodsblog.com/18390301/a-secret-weapon-for-how-to-make-a-floating-picture-frame