A buddy at work finally got around to making these for me.  Was about a year and a half before he could swing this little "rabbit" between company jobs (shhhh, nuff said :))   But it was well worth the wait.  The faces merge from 10" to 16" radius over a 20" length.  3" wide and the chambering was his idea to maintain ridgidity, ie. WILL NOT warp.  I made the handles out of 1/2", NC bolts, he was nice enough to drill and tap those holes, and cut up oak broom handle.  Gotta admit I work with some