No-tye-much made me this set of foam cutters years ago. Its handy as pockets on a shirt. I use it all the time. Its just tubing of 5/8,1/2, 3/8 glued into a wooden ball; kept sharp these cutters will perform various jobs where you need foam cylinders for fly tying. I think he spent less than $10 making these; he made them for several of us-p-

Now I know what to do with all my left over copper and foam.
Another great idea!