A neat little project I did last year and forgot to post as it was gift at that time.
It is a set of 4 coasters chip carved in mahogany, then covered with a coast of art resin so nobody needs to worry about spilling something over the carved areas. The wood is salvaged from an old ship and the coasters went back to the family, whom the ship belonged to.
Check the work in progress:
I know this could have been easily done with a band saw but I don't have anything like that, a regular hand saw had to do and then I simply carved the round shapes with a knife: