I used a vixen file to rough shape all of the filler I applied a couple of days ago and then sanded everything until you can’t even feel the gap between the upper and lower cowl halves. I’ll need to open the gap up slightly for paint, but the shape is nearly perfect. Next, I started flattening the filler on the upper cowl. I previously picked up this longer flexible sanding block from Harbor Freight. It has a spring steel plate on the bottom which is flexible enough to conform to gentle curves, but flat enough to sand the surface and eliminate all the waves in the surface.
