I have seen Nahm use sawdust mixed with glue to make a matching filler.
Glenn

MODEL STEAM LAUNCH:
http://community.webtv.net/whadaurme...iciaModelSteam

R/C MODEL AIRPLANES:
http://community.webtv.net/whadaurmeddleme/GLENNELLIOTT

BACKYARD BIRD PHOTOS:
http://community.webtv.net/whadaurme...ENNELLIOTTBird

NAMES MADE FROM EXOTIC WOODS:
http://community.webtv.net/whadaurme...NNELLIOTTNames