Step 8Painting prep
Due to defects in the previous finish, parts of the guitar needed shaping and smoothing. A combination of sander, sandpapering by hand and filing did the trick.
Initial sanding
At this point a sanding sealer should be used. Since the guitar had been clear-polyurethaned at least twice, I skipped this. Pits and dings can be filled with a wood filler.
Use progressively finer grades of sandpaper, up to 400 grit for the sanding stage. A vibrating or orbital sander is handy.
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