sculpting is a fun deal. once you finally start getting the results you want it's actually a little addicting.
here's a mold i carved/sculpted a while back to make rc car bodies.
i used two 2x4's and some body filler
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"When once you have tasted flight, you will forever walk the earth with your eyes turned skyward, for there you have been, and there you will always long to return." - Leonardo daVinci