I am in the midst of a fold up galley extension. I found an old yacht drawer whose sides were teak. After carefully dismantling I joined the three pieces together to create the shelf. The picture is after joining, cutting to size, and initial sanding. Unfortunately I did not have access to a table saw so the squaring was done with a powersaw. This resulted in less than perfect joints. So now before I final sand and varnish with Minwax spar varnish, what should I use for filler? I have kept a baggie full of teak dust from original sanding but am not sure how to approach filling and faring the imperfections. Knowing this forum to house some great woodworkers I thought I would ask here. What I don't want is something that dries to a color that is so off as to be an eyesore.