i would put a neon tetra aquarium in there, no just kidding
try to clean up the whole, carve out a wood block, wood glue it in, use wood putty to fill any remaining cracks/gaps (sawdust and glue usually has some dirt in it and it won't accept a finish very well)
try to clean up the whole, carve out a wood block, wood glue it in, use wood putty to fill any remaining cracks/gaps (sawdust and glue usually has some dirt in it and it won't accept a finish very well)