Using a Board to Alter a Pot May 18, 2009 in Uncategorized, altered pot, board, ron philbeck This is the method I used to make the oval vases in this post. I promised Gary a little demo so here it is. The vases were of course a taller cylinder, and I just used the board on two sides.httpv://www.youtube.com/watch?v=j-eAnrJts2I